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Rivierduin langs de Hunze. Bij een kartering in 1994 ter gelegenheid van het heruitgraven van de aangrenzende Hunzearm werd op de rivierduintjes Neolithisch vuursteen en een gabbro bijlfragment gevonden. 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Bij graafactiviteiten in 1934 werd hier een grafheuvel gevonden.   Wat is er van deze heuvel nog over? En waarop is de rest van het terrein gebaseerd?  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Bij een kartering in 1987 werd hier bewerkt Mesolithisch vuursteen gevonden. Situatie 2000: intacte podzolbodem na bouwvoor van 0.3 meter. Fraai zichtbare rug.  CAA: 13AN-16. 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Het betreft de kern van Oldehove, zoals weergegeven op de topografische militaire kaart van 1853. Het dorp is ontstaan op een hoge kwelderwal. Samen met Saaksum en Niehove (en de in de buurt gelegen gehuchten) vormde 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Het betreft de rand van de beide wierden waarop Ulrum is gelegen, zoals weergegeven op de topografische militaire kaart van 1853.","SHAPE.STArea__":65769.49527498,"SHAPE.STLength__":2300.9909600056926}},{"type":"Feature","id":"94","geometry":{"type":"Polygon","coordinates":[[[6.3031478250029505,53.338893559079217],[6.3029429445522984,53.338437695143298],[6.3027959383495249,53.338303114120691],[6.3029186469006673,53.338142215224288],[6.3029626724814358,53.338094251263499],[6.302641035206932,53.338008632507169],[6.3023462848470384,53.33784551606508],[6.3020471474960296,53.337687826108407],[6.3017771985270548,53.337561368941117],[6.3016246037435257,53.337516697339503],[6.3015060830985563,53.337521193709165],[6.3014636324436557,53.33757273987117],[6.3013190189363693,53.337550470504041],[6.3012881072443845,53.337650459157281],[6.3008370231257524,53.338186802250952],[6.3005605623507233,53.338532194977319],[6.3005281058032985,53.338559400701705],[6.3005101081254988,53.338560433305609],[6.3003329647716511,53.338632774972965],[6.2994952009390195,53.338707428796788],[6.2993738629385518,53.338720932047359],[6.2992315480191845,53.33873638704857],[6.2992275570312231,53.338831679450621],[6.2992635145126581,53.338827811274008],[6.2993135889456253,53.338852592735066],[6.2993590456028876,53.338872021634593],[6.2994576347528763,53.338989900004364],[6.2996945769569344,53.339259499138308],[6.3003378654763154,53.34006881976967],[6.3004967823911562,53.340269814253702],[6.3005370370782643,53.3403270264943],[6.300543821576488,53.340363817918799],[6.3005247818983054,53.340386429295812],[6.3006570304709468,53.340391715127453],[6.3006461242379697,53.340372925780777],[6.300637036923983,53.340298406648294],[6.3006433056250737,53.340239945260485],[6.3006830589029681,53.340202796019668],[6.3010186626551041,53.340025906564975],[6.3011230084595011,53.339990063007555],[6.3016277146585917,53.339927814323751],[6.3017850853926038,53.339914040308365],[6.3019184715975731,53.339902240393506],[6.3022391970698814,53.339873739120065],[6.3026437120566525,53.339831120266943],[6.3027245360073447,53.339818823401188],[6.3027825112995961,53.339791422899566],[6.3028413638241192,53.339734358546494],[6.3028565799350504,53.339673130202392],[6.3028547473072827,53.33958687501908],[6.3027986810613683,53.339350946776428],[6.3027924292615536,53.339339312486118],[6.3028567542099614,53.339328042452479],[6.3030678837305363,53.339300372982251],[6.3030309849254378,53.339189218244044],[6.3029532160763813,53.338921103858212],[6.3031478250029505,53.338893559079217]]]},"properties":{"OBJECTID":94,"MONUMENTNR":15201,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11739,"KAARTBLAD":"06F","CODE":"066","X_COORD":215844,"Y_COORD":594987,"PROVINCIE":"Groningen","GEMEENTE":"De Marne","PLAATS":"Zoutkamp","TOPONIEM":"ZOUTKAMP-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft het dorp Zoutkamp, zoals weergegeven op de topografische militaire kaart van 1853. Zoutkamp is een jonge nederzetting, ontstaan uit een schans die in circa 1575 door Spaanse troepen bij het Reitdiep was aangel","SHAPE.STArea__":45418.150149904999,"SHAPE.STLength__":962.35888992079572}},{"type":"Feature","id":"95","geometry":{"type":"Polygon","coordinates":[[[6.3248571301768495,53.286587313344931],[6.3247527496433387,53.286545890746531],[6.3246130974007855,53.286744693263671],[6.3245813192189493,53.286800658246634],[6.324508705945366,53.286909968118543],[6.3244970809972525,53.286927133929574],[6.3241974052882437,53.287492051052745],[6.3241434639726677,53.287563470027315],[6.3237712358449185,53.287964491570229],[6.3237099516373858,53.28804315348696],[6.3236634703394623,53.288112716720001],[6.323672293444254,53.288173757272617],[6.3237401236504498,53.28825860370705],[6.3238343183399,53.288314487420905],[6.3239777885628481,53.288360102350914],[6.3243738940252854,53.288436996690209],[6.3245092192331605,53.288453016740455],[6.3245950066437402,53.288466728669306],[6.3254409713901465,53.288609310839099],[6.325636691460061,53.288643730762601],[6.3262630531770654,53.288756570708848],[6.326599959762941,53.288800666762185],[6.3267186794122789,53.288811426437682],[6.3269350786763923,53.288831300852294],[6.3269001607195898,53.288811800784536],[6.3268993390995831,53.288774062117632],[6.3270048844006963,53.288524302724987],[6.3271172982221469,53.288245724147075],[6.3272193796185334,53.288043621416051],[6.3272736687420998,53.28798837749558],[6.3273166828221434,53.287966469772442],[6.3273540135678985,53.28795898736788],[6.326980510070852,53.287818118039986],[6.3267885478940125,53.28774952060683],[6.3264135079657713,53.287606864150305],[6.3263256372630607,53.287566210808066],[6.3261156294147129,53.28749505900727],[6.3261362116590423,53.287476026587463],[6.3261934401945199,53.287418060514632],[6.3259893500057345,53.28734326749678],[6.3259304000362464,53.287322156545741],[6.3258445741838605,53.286961554873422],[6.325463445673277,53.286814445952331],[6.3253320768608745,53.286773234509283],[6.3251959560326645,53.286720373400684],[6.3248571301768495,53.286587313344931]]]},"properties":{"OBJECTID":95,"MONUMENTNR":15204,"WAARDE":"Terrein van archeologische waarde","OID_1":11740,"KAARTBLAD":"06F","CODE":"070","X_COORD":217538,"Y_COORD":589303,"PROVINCIE":"Groningen","GEMEENTE":"Zuidhorn","PLAATS":"Kommerzijl","TOPONIEM":"KOMMERZIJL-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft Kommerzijl, zoals weergegeven op de topografische militaire kaart van 1853.   Kommerzijl is ontstaan bij een 16de eeuwse zeesluis in de Hogedijk.  CAA: 06FZ-1.","SHAPE.STArea__":33848.29110509,"SHAPE.STLength__":790.54698287615122}},{"type":"Feature","id":"96","geometry":{"type":"Polygon","coordinates":[[[6.5187025693583101,53.332710446555851],[6.5187078154770335,53.332681639590099],[6.518672612001521,53.332655907439175],[6.5186208933567604,53.332630330624553],[6.5184661072884964,53.332796249225638],[6.518210200429996,53.332713279800863],[6.5180225926985838,53.332658425371442],[6.5179167967352809,53.332631559231537],[6.5178504711181633,53.332621400952597],[6.517757244211368,53.332615983611845],[6.5176264961165504,53.332610923320686],[6.5170273706281998,53.33260756355061],[6.5165362948545509,53.332602291269225],[6.51636363580461,53.332602113916295],[6.516320426969072,53.332786755493167],[6.516290272989945,53.332839160636702],[6.5162536664228439,53.332874555471655],[6.5162034552937262,53.332906483176089],[6.5161142684246611,53.332940569577715],[6.5159205270512768,53.332995410331812],[6.515547820630931,53.333095969744157],[6.5152331588104424,53.333177106405167],[6.5152167655235811,53.33318175635042],[6.5152093076066206,53.333183624593786],[6.5151721588866334,53.333198348611923],[6.5151546392427413,53.333217385661669],[6.5151548978734777,53.333227268069876],[6.5151524852325062,53.333249758266923],[6.515171839012786,53.333300802845628],[6.515272321057358,53.333468818481535],[6.515313535770356,53.333552010420291],[6.5153515810164535,53.333628942048527],[6.5153660323531009,53.333664754623378],[6.5153852455552874,53.333710411859791],[6.5154350740319886,53.333893278970748],[6.5154963569716147,53.33388281482511],[6.5158798569265937,53.333792945093016],[6.5165727285884065,53.333648939262652],[6.5166277463895339,53.333628648524453],[6.5166994667698779,53.333615396838098],[6.5170974615171362,53.333563127210951],[6.5171827346904383,53.333551540839416],[6.5173325541603031,53.333539351583312],[6.5174839435952006,53.333529838104802],[6.5178140469358139,53.333522244076079],[6.5178394225743164,53.333516612440377],[6.5179789544637883,53.33357012171421],[6.5180240789549355,53.33357329231518],[6.5185916705146454,53.333747694739479],[6.5187051914823577,53.333782575059992],[6.5186767453009127,53.333957193762295],[6.5190902335261267,53.333980262882989],[6.519097738627746,53.333980192260391],[6.5191052657780304,53.33398101833567],[6.5191201374943999,53.333975489766701],[6.5191335256152367,53.333970867569171],[6.5193634442629982,53.333978588588813],[6.5193842933730117,53.333972103225705],[6.5194093150428429,53.333952994941065],[6.5194191833595196,53.333928636166718],[6.5193811622438043,53.333910121271217],[6.5194546316277888,53.333849215708405],[6.5196273285140638,53.333622018139891],[6.5194290411933764,53.333560972805593],[6.5191964862792142,53.333452623751207],[6.519086785979944,53.333391644643648],[6.5189844478915635,53.333325203045689],[6.5188618704693289,53.333231096464239],[6.5187755251242487,53.333144735446801],[6.5187244119627197,53.333085002249121],[6.5186929753663918,53.333031373963962],[6.5186835614163199,53.332958670232067],[6.5187070039253161,53.332879363804118],[6.5187025693583101,53.332710446555851]]]},"properties":{"OBJECTID":96,"MONUMENTNR":15207,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11741,"KAARTBLAD":"07B","CODE":"237","X_COORD":230252,"Y_COORD":594561,"PROVINCIE":"Groningen","GEMEENTE":"Winsum","PLAATS":"Winsum","TOPONIEM":"WINSUM/OBERGUM-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft het gebied dat de kernen Obergum en Winsum met elkaar verbindt, aan weerszijden van het Winsumerdiep; zoals weergegeven op topografische militaire kaart van 1853.   Zie CMA nrs. 7B-123, -130, 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Het betreft het dorp Onderdendam, zoals weergegeven op de topografische militaire kaart van 1853. Onderdendam is gelegen op een kruispunt van land-en waterwegen en ontwikkelde zich tot een belangrijke haven- en overslagpl","SHAPE.STArea__":91619.438180045006,"SHAPE.STLength__":1940.3194834231899}},{"type":"Feature","id":"98","geometry":{"type":"Polygon","coordinates":[[[6.644457394979538,53.334176736352234],[6.6443942493486396,53.334173801494536],[6.6443853993035278,53.334179287225226],[6.6443806040495064,53.334220678539566],[6.6443593232682696,53.334417720089974],[6.6443703572353217,53.334435576498066],[6.6446263613377825,53.334461663161001],[6.6446317997227489,53.334545185613891],[6.6446232619906125,53.334612680779806],[6.6445543220262575,53.335183190837981],[6.6445413318238602,53.335252525473628],[6.6445453022962111,53.335285738454665],[6.6446081281775227,53.335329117247454],[6.6446928074060825,53.335401030219948],[6.6448512267198865,53.33542723607998],[6.6449809447412207,53.335447446319094],[6.6450067782342153,53.335457962631764],[6.645094650013907,53.335484900482335],[6.6453524182359134,53.335571181520294],[6.6456616211982684,53.335619173993706],[6.6456816646475652,53.335585709799041],[6.6457654191127506,53.335471593677461],[6.6460039260001986,53.335155444939311],[6.6460702951346677,53.335063078939847],[6.6461190735014686,53.334985278356065],[6.6461420381104341,53.33494908913093],[6.6462290857105204,53.334793597875489],[6.6462531327151542,53.334743020444044],[6.6463153962108645,53.334612950949293],[6.6464716573481324,53.334308448520261],[6.6464353990764895,53.334300736028226],[6.6463946335229602,53.334293075205018],[6.6459975890053595,53.334270271288517],[6.6457583568445635,53.33425300016944],[6.6452035010407338,53.33422465412746],[6.6450803951166364,53.334225044698371],[6.644457394979538,53.334176736352234]]]},"properties":{"OBJECTID":98,"MONUMENTNR":15210,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11743,"KAARTBLAD":"07B","CODE":"235","X_COORD":238778,"Y_COORD":594880,"PROVINCIE":"Groningen","GEMEENTE":"Loppersum","PLAATS":"Westerwijtwerd","TOPONIEM":"WESTERWIJTWERD-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft het dorp Westerwijtwerd, zoals weergegeven op de topografische militaire kaart van 1853. De vermelding in de 11de eeuw als Widuvurd, heeft betrekking op de, inmiddels afgegraven, wierde ten oosten van de 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Het betreft het dorp Zuidhorn, zoals weergegeven op de topografische militaire kaart van 1853. 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Op het terrein zijn boringen gezet die uitwezen dat het terrein een ophogingspakker bevat van maximaal 1 meter. Dit pakket heeft fosfaatvlekken en bevat puin en kogelposcherven.   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Het betreft het dorp Uithuizen, zoals weergegeven op de topografische militaire kaart van 1853. Het dorp wordt voor het eerst vermeld in het jaar 1000 als \"Uthuson\" hetgeen opgevat dient te worden als randbebouwing (uiter","SHAPE.STArea__":43238.852370015004,"SHAPE.STLength__":864.71382553201693}},{"type":"Feature","id":"155","geometry":{"type":"Polygon","coordinates":[[[6.5109471644682122,53.387194578223848],[6.511046761208239,53.38686383008811],[6.5111116677159799,53.386874010213013],[6.5111762192171954,53.386870713333735],[6.5112355343919948,53.386839600662341],[6.5112527958568194,53.386809785575046],[6.511248782360159,53.386771177768175],[6.5112220586422094,53.386726492088521],[6.5114177436366614,53.386103673130364],[6.5114910061853131,53.385858549123064],[6.5115086444807533,53.385785588148046],[6.511517705433298,53.385787301800853],[6.5115249879341901,53.385778250526151],[6.5116462241612494,53.385413149515976],[6.5118223827127899,53.384906440641799],[6.511836472968584,53.384870361566122],[6.5118595050083172,53.384773986973144],[6.5119030639757032,53.384657651305275],[6.5116791465743988,53.384659742966491],[6.5113427824436405,53.384672768884371],[6.5111318962449696,53.384713378660045],[6.5110365138629271,53.384744828911636],[6.5107032672083189,53.384819833279813],[6.5105779516362041,53.384798534626206],[6.5098969981369752,53.384740178660948],[6.509855707829737,53.385001187144482],[6.5098393602766862,53.385066043177837],[6.5098162032851574,53.385157922382682],[6.5096942682266352,53.385554483799467],[6.5096647728279686,53.385633843147936],[6.5095887962586358,53.385833160126602],[6.5095686236218633,53.385924114542092],[6.5096304961809741,53.385933422359834],[6.5099511146757543,53.385950206568381],[6.5104632783158722,53.385991260358566],[6.5103048727555572,53.386487917561148],[6.5102509745678372,53.386669052540206],[6.5101790628961531,53.38690877544726],[6.5101639380843981,53.386962834052262],[6.5101224628138317,53.38710162204088],[6.5109004374077388,53.387189622243419],[6.5109471644682122,53.387194578223848]]]},"properties":{"OBJECTID":155,"MONUMENTNR":15176,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11723,"KAARTBLAD":"03C","CODE":"033","X_COORD":229719,"Y_COORD":600411,"PROVINCIE":"Groningen","GEMEENTE":"Winsum","PLAATS":"Den Andel","TOPONIEM":"DEN ANDEL-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft het dorp Den Andel, zoals weergegeven op de topografische militaire kaart van 1853.","SHAPE.STArea__":25881.579780029999,"SHAPE.STLength__":812.60390427051811}},{"type":"Feature","id":"156","geometry":{"type":"Polygon","coordinates":[[[6.4776304034275691,53.402245555276437],[6.477707624499085,53.402207111647456],[6.4778331152594939,53.402411772058414],[6.4787968030969969,53.40216578844975],[6.4792868911413883,53.402041822976436],[6.4793944523831559,53.402013888125104],[6.4795408952124847,53.401977509722144],[6.4799143965817114,53.4018815585044],[6.4798507225799362,53.401269236995773],[6.4794125539556875,53.401305564155571],[6.4789005879885568,53.401396480225301],[6.4785583392227384,53.401479567229806],[6.4784182511243404,53.401529362520854],[6.4783213980657264,53.401564388899054],[6.4778404245182202,53.401751178870555],[6.477681473891157,53.401828107097394],[6.4775249830409782,53.40182413108095],[6.4774592449024517,53.401781588886237],[6.4773445760925599,53.401588512890996],[6.4771318509748186,53.401264222463816],[6.476604157935749,53.401387618930066],[6.4761981489497922,53.401506321641584],[6.476280418980993,53.401667340261355],[6.4764860792455403,53.40206898665182],[6.4765670300085105,53.402237203702001],[6.4766987555159012,53.402510111824036],[6.4776304034275691,53.402245555276437]]]},"properties":{"OBJECTID":156,"MONUMENTNR":15178,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11724,"KAARTBLAD":"03C","CODE":"032","X_COORD":227517,"Y_COORD":602152,"PROVINCIE":"Groningen","GEMEENTE":"De Marne","PLAATS":"Westernieland","TOPONIEM":"WESTERNIELAND-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft het dorp Westernieland. Westernieland is een wegdorp dat waarschijnlijk in de 14de eeuw in een dichtgeslibde arm van de Hunze is ontstaan.   Zie ook CMA nr. 3C-32.","SHAPE.STArea__":19745.750284975002,"SHAPE.STLength__":740.66828936415709}},{"type":"Feature","id":"157","geometry":{"type":"Polygon","coordinates":[[[6.4617031031885874,53.401365128890063],[6.4622751979244963,53.401271951177897],[6.4622261256486944,53.401173536862039],[6.4621200979328357,53.400962393447486],[6.462387385571402,53.400887217418685],[6.4623317352200571,53.400826601700032],[6.4621287314545599,53.400645985660638],[6.4620470545343585,53.400566729956125],[6.4619860233068405,53.400531327686537],[6.4617769860343639,53.40047028772041],[6.4616892297892488,53.40044860388862],[6.4616328407851613,53.400418552967274],[6.4615926550984657,53.400374872848836],[6.4615554078037682,53.400388689762011],[6.4614848619607121,53.400393810680036],[6.4614169623712465,53.400384531855174],[6.4610783957978724,53.400254544934299],[6.4610083661395006,53.400280335877156],[6.4606795985748766,53.400302139149709],[6.4606749090914342,53.400294990657727],[6.4605654367960588,53.400186328163727],[6.4591206865540416,53.400258507463093],[6.4591258011973558,53.400282727040604],[6.4591465028187534,53.400449693481733],[6.4586825658603191,53.400478086438333],[6.4587221643629791,53.400920782220574],[6.4588191209884362,53.400949576629706],[6.4590744926466153,53.400999424326734],[6.459160296055062,53.401003156657552],[6.4591458636575627,53.401087761380801],[6.4591133041557187,53.401108721596046],[6.459075087717272,53.401144107341509],[6.459077846484119,53.40119440942766],[6.4591364531262121,53.401253198461191],[6.4591883491790538,53.401344403056903],[6.459424247952775,53.401336910922318],[6.4595851560826931,53.401337275518884],[6.4597131896182738,53.401346019849662],[6.4600462483365195,53.401375404571482],[6.4603176203601897,53.401403540726157],[6.4605827340261976,53.401421847536291],[6.4607453941414548,53.401432083978207],[6.4608280322362459,53.401610179825433],[6.4613024590936048,53.401519680199208],[6.4617446171128989,53.401461813499289],[6.4617031031885874,53.401365128890063]]]},"properties":{"OBJECTID":157,"MONUMENTNR":15179,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11725,"KAARTBLAD":"03C","CODE":"031","X_COORD":226354,"Y_COORD":602026,"PROVINCIE":"Groningen","GEMEENTE":"De Marne","PLAATS":"Pieterburen","TOPONIEM":"PIETERBUREN-OUDE HAVEN","TOELICHTING":"Terrein met sporen van bewoning. Het betreft de bebouwingsconcentratie bij de haven van Pieterburen. zoals weergegeven op de topografische militaire kaart van 1853.   Zie CMA nr. 3C-030.","SHAPE.STArea__":26843.936679955001,"SHAPE.STLength__":726.22721460261437}},{"type":"Feature","id":"158","geometry":{"type":"Polygon","coordinates":[[[6.4502477851643381,53.402220776418453],[6.4505417022614786,53.402187627652744],[6.450562335251302,53.402231479525319],[6.4505997311803664,53.402284170102817],[6.4506606388943455,53.402253979672352],[6.4509461635091219,53.402307172998839],[6.4513223425594051,53.402377540808359],[6.4513978002897456,53.402388555883533],[6.4512228313935864,53.402062986866433],[6.451823679205094,53.401975898411358],[6.4522566563945212,53.40191095756029],[6.4523002080279994,53.401908775042557],[6.4523442997378631,53.401928158576489],[6.4523580722123874,53.401937920367907],[6.4524106058949275,53.401933861020893],[6.4525019806938833,53.401919573570275],[6.4526120318332332,53.401870069886741],[6.4525356965120135,53.401641585389584],[6.4525502394633891,53.401621684136195],[6.4526550121660735,53.401601885103688],[6.4534703044086958,53.401491325469422],[6.4534941568069675,53.401483022625094],[6.4534980433932452,53.401457827161956],[6.4534073397848601,53.401256428777472],[6.4534876878069287,53.401161356700669],[6.45330779152963,53.400698336213146],[6.4532386377465754,53.400698948395529],[6.453226031714606,53.400675691782723],[6.453101518810044,53.400687579795147],[6.4524440082725123,53.400793150388587],[6.4523717318472649,53.400789298124728],[6.452367844680607,53.400814494457528],[6.4523461202541013,53.400847939312129],[6.4523092461260649,53.400877021193267],[6.4522869385936055,53.400887102995057],[6.4522239997221309,53.4008957467858],[6.4521147819236431,53.400614531047076],[6.4520337124354654,53.400619739475133],[6.4519851834161113,53.400603094675894],[6.4519219735707471,53.400600959325288],[6.4518172029616316,53.400620757721519],[6.4515279662840621,53.400660157242612],[6.4508493560091971,53.400764109134762],[6.450459746369277,53.400818773124641],[6.4504341873868043,53.400818998784381],[6.4504486077078846,53.400854818385852],[6.4504522402458182,53.400941059813128],[6.4505021338639672,53.401073621082325],[6.450563326113361,53.40123754150256],[6.4505243518445976,53.401242377201243],[6.4504644128715345,53.401250993577598],[6.4497402049005679,53.401335571795528],[6.4496657451012389,53.401364985360331],[6.4491951842388833,53.401430243858535],[6.4483767216312762,53.401534517998734],[6.4485029645517287,53.401897368743334],[6.4484974400643624,53.401917186422843],[6.4485267393008039,53.4020076932227],[6.4485940307031839,53.402175151894241],[6.4486208777912601,53.402288147981601],[6.4486604251251585,53.40248910379335],[6.4487133870091506,53.402624336478176],[6.4489619621991396,53.402581702259468],[6.4491611971315734,53.402428968628207],[6.4492132215605844,53.402404249305953],[6.4493585637623472,53.402383194931289],[6.4502477851643381,53.402220776418453]]]},"properties":{"OBJECTID":158,"MONUMENTNR":15181,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":11726,"KAARTBLAD":"03C","CODE":"030","X_COORD":225714,"Y_COORD":602095,"PROVINCIE":"Groningen","GEMEENTE":"De Marne","PLAATS":"Pieterburen","TOPONIEM":"PIETERBUREN-DORP","TOELICHTING":"Terrein met sporen van bewoning. Het betreft het dorp Pieterburen, zoals weergegeven op de topografische militaire kaart van 1853. Het dorp bestaat uit twee bebouwingsconcentraties. 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Het betreft het dorp Den Hoorn, zoals weergegeven op de topografische militaire kaart van 1853. Den Hoorn is ontstaan tussen de Mernaweg, langs de route Ulrum-Winsum en de Hoornse vaart. 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Het betreft een mooie kleine es. Pseudomuntfibula uit de 9de / 10de eeuw gevonden.  CAA: 13CN-14.  Groenendijk 1997 vondstnr. 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Esje gelegen temidden van de Celtic Fields (Brongers 1976 265/560-1) en nabij nederzettingsterrein uit Mesolithicum, Neolithicum, grafheuvels uit de Vroege Bronstijd, MB,LB,VIJZ (Van der Waals 1972-1973,Uitweds- mee). 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Tijdens de opgraving van 1974 werd ook vuursteen gevonden, wat wijst op oudere bewoning ter plaatse.   CAA: 13CN-10+22.  Groenendijk 1997 nr. S-86.  Opgraving 1974 BAI (H.A. Groenendijk).  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Van het terrein is een waarschijnlijk Midden Neolithische bijl bekend.  CAA: 13DN-39 te weinig gegevens. 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Vlak ten zuiden van het terrein ligt een Celtic Field Bij graafwerkzaamheden en een opgraving in 1959 werden sporen van bewoning uit het Laat Mesolithicum, Neolithicum en de gehele Bronstijd gevonden, en resten van","SHAPE.STArea__":186051.79558499,"SHAPE.STLength__":2995.7382081073692}},{"type":"Feature","id":"191","geometry":{"type":"Polygon","coordinates":[[[7.0578445708781565,53.001984678195264],[7.0588073523127512,53.000631874534157],[7.0551458893213246,53.000814237633982],[7.0551719030899882,53.000948705694732],[7.05522512065395,53.001326399017593],[7.0548961655563058,53.001335479311422],[7.0545616693471009,53.001355424433257],[7.0544458203862073,53.001909856968524],[7.0543814337001791,53.002212781598608],[7.0578445708781565,53.001984678195264]]]},"properties":{"OBJECTID":191,"MONUMENTNR":7336,"WAARDE":"Terrein van archeologische waarde","OID_1":5909,"KAARTBLAD":"13C","CODE":"A02","X_COORD":267020,"Y_COORD":558337,"PROVINCIE":"Groningen","GEMEENTE":"Stadskanaal","PLAATS":"Vledderhuizen","TOPONIEM":"MUSSELMEEWEG","TOELICHTING":"Terrein met sporen van een Celtic Field. Deel van een Celtic Field, geidentificeerd op luchtfoto's. Binnen een Celtic Field kunnen sporen van de bijbehorende nederzetting en worden verwacht. Inderdaad zijn in de directe omgeving IJzertijdvondsten gedaan.","SHAPE.STArea__":35513.119619990001,"SHAPE.STLength__":842.3988439989721}},{"type":"Feature","id":"192","geometry":{"type":"Polygon","coordinates":[[[7.0914880848597086,53.013411353570142],[7.089353627915969,53.012456557265295],[7.0892350290997355,53.012549033255638],[7.0883482377262084,53.013235818192584],[7.0876504198767387,53.013762605258471],[7.0877338963624705,53.013800969865386],[7.0882573507984574,53.01403712723576],[7.0891284460679396,53.01443463106596],[7.0900053432795405,53.014827554298897],[7.0908836358525047,53.015217751064391],[7.091175008606128,53.015350230918138],[7.0928063261170902,53.013998419063931],[7.0923890619025398,53.013810205923662],[7.0914880848597086,53.013411353570142]]]},"properties":{"OBJECTID":192,"MONUMENTNR":7337,"WAARDE":"Terrein van archeologische waarde","OID_1":5910,"KAARTBLAD":"13C","CODE":"A03","X_COORD":269245,"Y_COORD":559779,"PROVINCIE":"Groningen","GEMEENTE":"Stadskanaal","PLAATS":"Onstwedde","TOPONIEM":"DOEZEKAMPEN","TOELICHTING":"Terrein met sporen van een Celtic Field. Uit de directe omgeving van het terrein zijn twee maalstenen, bij elkaar gevonden, bekend. Binnen een Celtic Field kunnen sporen van de bijbehorende nederzetting en worden verwacht.   CAA: 13CN-2, -36.  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Binnen een Celtic Field kunnen sporen van de bijbehorende nederzetting en worden verwacht. Ook is er Neolithisch materiaal gevonden.  CAA: 13CN-9.  Brongers 1976 nr. 270/560-3. 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Essen liggen op plaatsen waar vanaf het Neolithicum bewoning zich concentreerde. De kans is dus groot dat zich onder het esdek archeologische sporen bevinden. 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Essen liggen op plaatsen waar vanaf het Neolithicum bewoning zich concentreerde. De kans is dus groot dat zich onder het esdek archeologische sporen bevinden. 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Afgegraven aan de noordoostzijde. 1.39 boven N.A.P. Op de top van de wierde staat een huis. Het monument is gelegen in een voormalig kweldergebied.  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Het wettelijk beschermde terrein ligt binnen 9 percelen. De prcelen zijn bijna allen in gebruik als woonerf en tuinen. Het monument is gelegen in een voormalig kweldergebied.  Dorpswierde van Am","SHAPE.STArea__":23691.306244964999,"SHAPE.STLength__":689.50153468735039}},{"type":"Feature","id":"224","geometry":{"type":"Polygon","coordinates":[[[6.9088643567366415,53.306684754814917],[6.9088237577902003,53.306484437378778],[6.9061503872164645,53.306739160643495],[6.9064194997928592,53.3081917774524],[6.9091614069830021,53.307976345886637],[6.9088643567366415,53.306684754814917]]]},"properties":{"OBJECTID":224,"MONUMENTNR":354,"WAARDE":"Terrein van zeer hoge archeologische waarde, beschermd","OID_1":293,"KAARTBLAD":"07F","CODE":"006","X_COORD":256306,"Y_COORD":592153,"PROVINCIE":"Groningen","GEMEENTE":"Delfzijl","PLAATS":"Amsweer","TOPONIEM":"Amsweersterweg ; Amsweerster Polder II","TOELICHTING":"Terrein met een Wierde met datering IJzertijd-Late Middeleeuwen. 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Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei.  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De bodem bestaat uit klei en het monument is gelegen op een oeverwal in een voormalig kweldergebied.   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De datering kan gesteld worden op de Late IJzertijd tot de Middeleeuwen; het klooster 'Appinge' werd in 1328 gebouwd.  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De bodem bestaat uit zandige klei op een kwelderrug in een voormalig kweldergebied.  De wierde is grotendeels afgegra","SHAPE.STArea__":92489.919454760005,"SHAPE.STLength__":2530.3825621600031}},{"type":"Feature","id":"250","geometry":{"type":"Polygon","coordinates":[[[6.8327190851654809,53.315925974491279],[6.8323650441130139,53.315731577876242],[6.8323098496066903,53.315758410438761],[6.8321426450326381,53.315874564123341],[6.8320490411868562,53.315947589678935],[6.8319179564245394,53.31602196159362],[6.8318042129082324,53.316083592719686],[6.8322055455133279,53.316275054384199],[6.8327190851654809,53.315925974491279]]]},"properties":{"OBJECTID":250,"MONUMENTNR":181,"WAARDE":"Terrein van zeer hoge archeologische waarde, beschermd","OID_1":143,"KAARTBLAD":"07F","CODE":"047","X_COORD":251264,"Y_COORD":593013,"PROVINCIE":"Groningen","GEMEENTE":"Appingedam","PLAATS":"Oling","TOPONIEM":"Oling- NW","TOELICHTING":"Terrein met een verhoogde woonplaats met als datering Late IJzertijd/ Romeinse tijd- Middeleeuwen.  Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie een kwelderrug. 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Opgraving 1934; BAI (Van 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Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie een kwelderwal. 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Op de wierde liggen de resten van een klooster uit de Late Middeleeuwen.  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De bodem bestaat uit zandige klei en het monument is gelegen op een kwelderwal in een voormalig kweldergebied.  Het monument vormt een geheel met het ten noorden gelegen monument.","SHAPE.STArea__":38601.141704964997,"SHAPE.STLength__":788.04177715219555}},{"type":"Feature","id":"269","geometry":{"type":"Polygon","coordinates":[[[6.7317188918274979,53.272300701977663],[6.7320742713485844,53.272302117175137],[6.7321772448200088,53.272283879198561],[6.732195967170278,53.272235144960334],[6.7322619042266281,53.272240469822243],[6.7322442763901202,53.272161812233378],[6.7322429540593678,53.272119366274801],[6.7322568036016248,53.272076745077648],[6.7322852616442379,53.272015770440923],[6.732342745504087,53.271912004680843],[6.7322715586306296,53.271900670246865],[6.7322856945569418,53.271867148423759],[6.7323046009349961,53.271824475098363],[6.7323315488490305,53.271714988190062],[6.7323466247623429,53.271711785210549],[6.7323137781348574,53.271469515222954],[6.7318629816060369,53.271453328148354],[6.731855280961252,53.271368491894414],[6.7318643715780011,53.271146872265149],[6.7318169984674139,53.271114151210739],[6.7317405659351017,53.271096807682675],[6.7316544935445162,53.271094736666477],[6.7316564762250257,53.27115840923252],[6.7316104860435724,53.271143759164232],[6.7315595289058718,53.271132192559662],[6.7315602647889889,53.271154767336917],[6.7315297519539037,53.271150725520108],[6.7314583776784254,53.271133324317603],[6.7313466336801877,53.271119414301573],[6.7311290546825466,53.271118814955315],[6.7309066151794852,53.27112433616778],[6.7307401814577004,53.271141357599866],[6.7306094355510071,53.271167086850724],[6.7304990151939963,53.271195618414446],[6.7303188241835485,53.271258292517821],[6.7302240467136443,53.271301813639084],[6.7301643910318987,53.271335844920678],[6.7301302121036191,53.271375654411969],[6.729987593488473,53.271507666664561],[6.7299675488524722,53.271513953679559],[6.7297530189425032,53.271774153329879],[6.7297650227109447,53.271834680618795],[6.7298055790742088,53.271837260726102],[6.7298236767696604,53.271931078973864],[6.7298408288207137,53.271994582018728],[6.7298633205498488,53.272067121681388],[6.7299116729380195,53.272157572113898],[6.7299747246715338,53.272232693570679],[6.7300576297754855,53.272295456328948],[6.7301235713348539,53.272300787705454],[6.730188756820918,53.272281860234806],[6.7302737954566041,53.272250578522602],[6.7303494778007691,53.272243665010805],[6.7304554056035188,53.272233383616395],[6.7305364278438047,53.2722355119718],[6.7307037147901516,53.272245771996147],[6.7308455228771704,53.27225025462392],[6.7308411264302874,53.272271532366453],[6.7312716077443175,53.272284916401354],[6.7317188918274979,53.272300701977663]]]},"properties":{"OBJECTID":269,"MONUMENTNR":319,"WAARDE":"Terrein van zeer hoge archeologische waarde, beschermd","OID_1":258,"KAARTBLAD":"07E","CODE":"086","X_COORD":244614,"Y_COORD":587958,"PROVINCIE":"Groningen","GEMEENTE":"Ten Boer","PLAATS":"Woltersum","TOPONIEM":"Centrum","TOELICHTING":"Terrein met een wierde uit de Late IJzertijd, gelegen in zandige klei op een kwelderwal in het stroomgebied van de voormalige rivier de Fivel.  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De wettelijke bescherming bestaat uit twee monumenten.  Het terrein wordt al 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De bodemgesteldheid betreft zandige klei en de geomorfologie een kwelderrug. 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Het terrein is omgracht en omsingeld en rechthoekig van vorm en meet 100 bij 75 meter. 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Het monument ligt op een kwelderrug in een voormalig kweldergebied.   Dorpswierde, in 1970 nog hoog en opvallend. 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In 1971 werd een geheel gave, lage maar goed herkenbare kleine wierde waargenomen. 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Vormt oorspronkelijk één geheel met het naastgelegen monument, het afgegraven deel van de wierde. De dorpswierde is grotendeels afgegraven in 1917. 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In 1974 was er één duidelijk waarneembaar en geflankeerd door twee minder goed waarneembare. Hoogte respectievelijk circa 1.03, 0.94 en 0.89 meter boven NAP. Alle drie leken in 1974 gaa","SHAPE.STArea__":18632.80731004,"SHAPE.STLength__":565.12627291092861}},{"type":"Feature","id":"350","geometry":{"type":"Polygon","coordinates":[[[6.4728197976797963,53.292937000226217],[6.4726008639099692,53.292879659750788],[6.4725567570150666,53.292915109471394],[6.4723568401199607,53.293017568929059],[6.4723508658021336,53.293018523368289],[6.4723102448094361,53.293133024359122],[6.4724359235154632,53.293239734022301],[6.4726547503264031,53.293292579524334],[6.4728336638282453,53.293249622300259],[6.4729707775838881,53.293154920814857],[6.4730211602115357,53.293070887538306],[6.4730009295320503,53.292982093542484],[6.4729728935724768,53.292941006142563],[6.4728197976797963,53.292937000226217]]]},"properties":{"OBJECTID":350,"MONUMENTNR":5331,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":4127,"KAARTBLAD":"07A","CODE":"035","X_COORD":227341,"Y_COORD":590041,"PROVINCIE":"Groningen","GEMEENTE":"Winsum","PLAATS":"Feerwerd","TOPONIEM":"MEEDENERWEG-OOST; BRILLERIJ-NOORDWEST","TOELICHTING":"Terrein met sporen van een onbebouwde huiswierde.  In 1974 op het oog gaaf. Hoogte circa 1.2 meter boven 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Bij boringen in 1971 werden plaatselijk tot op 1.90 meter diepte bewoningssporen aangetroffen. Ook werden enige tientallen Inheems Romeinse, Middeleeuwse en (sub-)recente scherven gevonden. 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Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie een kwelderrug. 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In 1973 als gaaf getypeerd. Hoogte 1.15 meter boven NAP. Ovale goed zichtbare hoogte. Vermoedelijk was er vroeger een gracht of sloot als begrenzing, sporen hiervan zijn herkenbaar in het terrein.","SHAPE.STArea__":3895.9310900249998,"SHAPE.STLength__":231.38735304051175}},{"type":"Feature","id":"355","geometry":{"type":"Polygon","coordinates":[[[6.4866618720818545,53.231657742600369],[6.4865566388499314,53.231642531617283],[6.4865267334776231,53.231644602856868],[6.4864520194241653,53.231651576133125],[6.4863690271929153,53.231686487555955],[6.4861197915165691,53.231839755243918],[6.486058404384651,53.231899631360513],[6.4860597976188386,53.2319544456114],[6.4861275142910451,53.232025723399211],[6.4862417449030971,53.232100171264676],[6.486490211221307,53.232211136897135],[6.486535730173081,53.232234085363402],[6.4866927998791013,53.232167039167621],[6.4870373165350932,53.231932011094706],[6.4870813268127776,53.231895658807844],[6.4870892602015093,53.231854244573604],[6.4870015234068292,53.231761582958086],[6.4869670385692553,53.231760100430868],[6.4868611391817117,53.231718831751451],[6.4866618720818545,53.231657742600369]]]},"properties":{"OBJECTID":355,"MONUMENTNR":5347,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":4143,"KAARTBLAD":"07C","CODE":"035","X_COORD":228372,"Y_COORD":583252,"PROVINCIE":"Groningen","GEMEENTE":"Groningen","PLAATS":"Leegkerk","TOPONIEM":"LEEGKERK-WEST","TOELICHTING":"Terrein met sporen van een huiswierde.   In 1983 als gaaf getypeerd. Zichtbaar verhoogd. Kogelpotscherven. Het terrein maakt deel uit van een cluster wierden gelegen ten noorden van Hoogkerk. Aantrekkelijk gelegen in grote bocht van Zijlwesterweg en Leeg","SHAPE.STArea__":2839.0150749650002,"SHAPE.STLength__":198.73059321655231}},{"type":"Feature","id":"356","geometry":{"type":"Polygon","coordinates":[[[6.48583022623259,53.235769850650861],[6.4857582048534521,53.235765116234397],[6.4852650468079913,53.235870283169234],[6.4848932201807701,53.23597523961844],[6.4851243387285527,53.236346100876091],[6.4860412215471746,53.236114830282908],[6.4859956073953242,53.23608828759118],[6.4859299234415868,53.235979239202223],[6.48583022623259,53.235769850650861]]]},"properties":{"OBJECTID":356,"MONUMENTNR":5348,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":4144,"KAARTBLAD":"07C","CODE":"036","X_COORD":228291,"Y_COORD":583709,"PROVINCIE":"Groningen","GEMEENTE":"Groningen","PLAATS":"Leegkerk","TOPONIEM":"LEEGKERK-NOORD","TOELICHTING":"Terrein met sporen van een huiswierde.   In 1983 getypeerd als gaaf. West- en noordsloot gedempt. Kogelpotscherven. 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In 1983 getypeerd als gaaf. Kogelpotscherven. Terrein grenst in het noorden aan een ander monument en maakt deel uit van een wierdenreeks gelegen ten noorden van Hoogkerk.","SHAPE.STArea__":3878.662249985,"SHAPE.STLength__":261.51212839424096}},{"type":"Feature","id":"358","geometry":{"type":"Polygon","coordinates":[[[6.2400768337499519,53.224727214449452],[6.2398571076865039,53.224672156537402],[6.2398032570331594,53.224675233192869],[6.2395426788220565,53.22459889768993],[6.2390340236570996,53.225308885861104],[6.2398480577287989,53.225504419879428],[6.2403386111632333,53.22478826233985],[6.2400768337499519,53.224727214449452]]]},"properties":{"OBJECTID":358,"MONUMENTNR":5350,"WAARDE":"Terrein van zeer hoge archeologische waarde","OID_1":4146,"KAARTBLAD":"06H","CODE":"001","X_COORD":211898,"Y_COORD":582262,"PROVINCIE":"Groningen","GEMEENTE":"Grootegast","PLAATS":"Lutjegast","TOPONIEM":"HUIZE EES","TOELICHTING":"Terrein met de resten van het versterkte huis; de borg: \"De Eest\". Oorspronkelijk omgracht, de grachten zijn nu gedempt. In 1984 werd de fundering van kloostermoppen gesignaleerd. Singels zijn nog te herkennen. Thans een boerderij op de plaats van de vro","SHAPE.STArea__":4962.7682050049998,"SHAPE.STLength__":288.35111364312093}},{"type":"Feature","id":"359","geometry":{"type":"Polygon","coordinates":[[[6.2912326581556961,53.271417062124911],[6.2897709509198059,53.271344467774725],[6.2897796270744575,53.271759599072261],[6.2898295964607636,53.272428751310187],[6.2912246578524309,53.272323902451689],[6.2912560873492698,53.271748501187581],[6.2912326581556961,53.271417062124911]]]},"properties":{"OBJECTID":359,"MONUMENTNR":5351,"WAARDE":"Terrein van zeer hoge archeologische waarde","OID_1":4147,"KAARTBLAD":"06H","CODE":"002","X_COORD":215227,"Y_COORD":587514,"PROVINCIE":"Groningen","GEMEENTE":"Zuidhorn","PLAATS":"Grijpskerk","TOPONIEM":"GRIJPSKERK-NOORDWEST","TOELICHTING":"Terrein met de resten van het versterkte huis: de stins/borg \"Aykema\". Bekend vanaf de late 15de eeuw, gesloopt in 1760. Omgracht en aan de noord-, oost- en zuidzijde een circa 15 meter brede lage singel.","SHAPE.STArea__":10703.56821499,"SHAPE.STLength__":413.35333053619155}},{"type":"Feature","id":"360","geometry":{"type":"Polygon","coordinates":[[[6.2533025271331146,53.245709779005239],[6.2528230649614187,53.245634148623388],[6.25256258500165,53.24624354558528],[6.252557796636955,53.246303792790144],[6.2526459443301263,53.24636606568388],[6.2530087068330262,53.246449727518637],[6.2535195149934575,53.246518841155783],[6.2535841469921971,53.246529155813455],[6.2536622900429073,53.246316502356713],[6.2538624704537478,53.245838750520463],[6.253864726266217,53.245801884953963],[6.2538046434677055,53.245794231927185],[6.2533025271331146,53.245709779005239]]]},"properties":{"OBJECTID":360,"MONUMENTNR":5352,"WAARDE":"Terrein van zeer hoge archeologische waarde","OID_1":4148,"KAARTBLAD":"06H","CODE":"003","X_COORD":212773,"Y_COORD":584613,"PROVINCIE":"Groningen","GEMEENTE":"Grootegast","PLAATS":"Lutjegast","TOPONIEM":"EIBERSBUREN","TOELICHTING":"Terrein met de resten van het versterkte huis: de borg \"Froma of Vrome\". 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Zichtbaar verhoogd. Fraaie landschappelijke ligging aan de rand van het dorp.   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De bodem bestaat uit klei en het monument is gelegen op een kwelderwal in een voormalig kweldergebied.  Het monument bestaat uit verschillende monumentnummers. 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Het is een thans verlaten verhoogde boerderijplaats. Hierop duiden het toeleidende pad, de situering aan de tocht, de vierkante vorm van het terrein en de rondom aanwezige sloot.  Het monument is ge","SHAPE.STArea__":3481.0594100500002,"SHAPE.STLength__":238.71336129313897}},{"type":"Feature","id":"415","geometry":{"type":"Polygon","coordinates":[[[6.6188791438440919,53.338695902719522],[6.6179889397516654,53.338549754880404],[6.6178887627855323,53.338876792707374],[6.6180623428433956,53.338908270991773],[6.618000656828924,53.33916683547691],[6.6191188033174484,53.339305472526256],[6.6193100884672624,53.338748108553219],[6.6190600754568498,53.338721911094758],[6.6188791438440919,53.338695902719522]]]},"properties":{"OBJECTID":415,"MONUMENTNR":895,"WAARDE":"Terrein van zeer hoge archeologische waarde, beschermd","OID_1":713,"KAARTBLAD":"07B","CODE":"007","X_COORD":236982,"Y_COORD":595299,"PROVINCIE":"Groningen","GEMEENTE":"Loppersum","PLAATS":"Fraamklap","TOPONIEM":"Boterdiep","TOELICHTING":"Terrein met een huisterp met als datering Middeleeuwen.  Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie een kwelderrug. 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Het monument is gesitueerd in een voormalig kweldergebied.   Het monument is waarschijnlijk tweeledig: een dorpsterp en daaroverheen een rechthoekig kavelpatroon, dat vermoedelijk afkomstig is van ee","SHAPE.STArea__":20003.205456989999,"SHAPE.STLength__":686.67671978403928}},{"type":"Feature","id":"438","geometry":{"type":"Polygon","coordinates":[[[6.3347828305918901,53.35785324951793],[6.3350794027860378,53.35808726391928],[6.3351313796223812,53.358128193450561],[6.3355196973217502,53.358435175206708],[6.3359355094433383,53.358762607525897],[6.3359512202657484,53.358793938992605],[6.3360335894590074,53.3587142064831],[6.3363163074495104,53.358591554243091],[6.336374345822593,53.358566831471236],[6.3368311481003348,53.358368216900288],[6.3369621697560454,53.358315059089428],[6.3370291398571998,53.358286675311739],[6.3378003037328705,53.357970540973582],[6.3380565341440844,53.357873259301194],[6.338065463338812,53.357869594061725],[6.3382299210300124,53.357834145011779],[6.3382359103418633,53.35783319721196],[6.3382194371204701,53.357699429661579],[6.3380903417133023,53.357567443494055],[6.3380717618917117,53.357542429258721],[6.3378176241103947,53.357326057696461],[6.3374706669744159,53.357055600407314],[6.3377130583886316,53.356944048120916],[6.3378083238030998,53.356904655423321],[6.3377594320104347,53.356867297349233],[6.3377288771401066,53.356844170495307],[6.337672338784456,53.356800582969349],[6.3374111341644968,53.356604040739491],[6.3369757693737245,53.356274969398008],[6.3367109689504435,53.356392084586652],[6.3363866723447213,53.356535735356474],[6.3363182561030431,53.356566828926233],[6.3352293055540869,53.357049012600108],[6.3349511991644771,53.357176122131762],[6.3343562858133344,53.357446813619717],[6.3341941791900442,53.357520879078884],[6.3345168319352165,53.357779855155037],[6.334530390256341,53.357781545774323],[6.3346360581693615,53.357736675418302],[6.3347140169555987,53.35779807094417],[6.3347828305918901,53.35785324951793]]]},"properties":{"OBJECTID":438,"MONUMENTNR":5188,"WAARDE":"Terrein van zeer hoge archeologische waarde","OID_1":3988,"KAARTBLAD":"06F","CODE":"016","X_COORD":218149,"Y_COORD":597085,"PROVINCIE":"Groningen","GEMEENTE":"De Marne","PLAATS":"Ulrum","TOPONIEM":"ULRUM-ZUIDOOST","TOELICHTING":"Terrein met sporen van een borg. 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Het betreft een verhoogde, onbehuisde, woonplaats. Het monument is gesitueerd in een voormalig kweldergebied. 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Behuisd. Plaatselijk afgegraven. Het monument is herkenbaar als hoogte in het landschap. 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Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie een kwelderrug. 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De bodem bestaat uit zandige klei en de wierden zijn gelegen op een kwelderrug in een voormalig kweldergebied.  Het volgende is gevonden op dit terrein: twaalf zilveren munten, dena","SHAPE.STArea__":23186.880538444999,"SHAPE.STLength__":675.08049943997673}},{"type":"Feature","id":"473","geometry":{"type":"Polygon","coordinates":[[[6.4669760466191937,53.269108938476073],[6.4667943334592968,53.269069300417485],[6.4663373923365279,53.269497637539786],[6.4662318571420254,53.269593851850587],[6.4659246035338755,53.269896781595541],[6.4658275698842784,53.269985982918222],[6.4657433324521518,53.270058970610876],[6.465557780273131,53.270210247805913],[6.4654902347606393,53.270262447411021],[6.4654399015396358,53.270314488932584],[6.4651128369078634,53.270657925870516],[6.4654939973298955,53.270757684886441],[6.465867068629084,53.270878157007274],[6.4662398826197593,53.270988307644487],[6.4666734444110148,53.271118554018891],[6.4670374040779484,53.271218462690072],[6.4671847083014988,53.2712584141645],[6.4673755491300078,53.271318606814923],[6.4677567160772602,53.271418358640211],[6.4678952906154334,53.271453230920407],[6.4679905820164798,53.271478167908718],[6.468205721931608,53.271536716229654],[6.4684749211985357,53.27162102022676],[6.4686765279611347,53.271672578848651],[6.4688751953252286,53.27174879828214],[6.469136298300378,53.271865106843478],[6.4692583128248966,53.271925916201383],[6.469274986775571,53.271383686030781],[6.4693513965702634,53.271321887072354],[6.4693587542533724,53.271316427618991],[6.4697341595513738,53.270652490154241],[6.469621400838343,53.270617397332579],[6.4694477680023148,53.270557047860038],[6.4693788047944905,53.270552512130806],[6.4693178015448618,53.270522105243387],[6.4692552474389462,53.27042980335024],[6.4692178587447593,53.270311480774552],[6.4692251681246988,53.270259825067853],[6.4692331999291799,53.269893455886489],[6.469237282673852,53.269712850890372],[6.4691581683336183,53.269646493901327],[6.4690626173367498,53.269611240225984],[6.4689733234984645,53.269575491570194],[6.4689551788754809,53.269569365705529],[6.4688631667915528,53.269546824705955],[6.4675042372737854,53.269238330538592],[6.4669760466191937,53.269108938476073]]]},"properties":{"OBJECTID":473,"MONUMENTNR":1238,"WAARDE":"Terrein van zeer hoge archeologische waarde, beschermd","OID_1":1006,"KAARTBLAD":"07A","CODE":"019","X_COORD":227044,"Y_COORD":587514,"PROVINCIE":"Groningen","GEMEENTE":"Zuidhorn","PLAATS":"Aduard","TOPONIEM":"Fransummervoorwerk","TOELICHTING":"Terrein met een wierde met voormalig kloostervoorwerk (Aduard), gelegen in zandige klei op een kwelderrug in een voormalig kweldergebied. Het grondvlak heeft een ronde tot afgerond vierkante omtrek met een diameter van ca. 225 meter. 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Datering: Late IJzertijd-Nieuwe tijd. De bodem bestaat uit klei en het monument is gelegen op een kwelderwal in een voormalig kweldergebied.  Bij inspectie van een 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van zeer hoge archeologische waarde, beschermd","OID_1":728,"KAARTBLAD":"07E","CODE":"006","X_COORD":247734,"Y_COORD":595652,"PROVINCIE":"Groningen","GEMEENTE":"Loppersum","PLAATS":"Eenum","TOPONIEM":"Centrum","TOELICHTING":"Terrein met een terp uit de Late IJzertijd-Vroege Romeinse tijd, gelegen op een kwelderrug in een voormalig kweldergebied. De bodem bestaat uit zandige klei.  Vlak ten oosten van de kerk lag het borgterrein van \"Het huis te Enum\". 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Aan de oostrand, ter plaatse van de borg, is de wierde afgegraven. 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De bodem bestaat uit zandige klei en het monument is gelegen op een kwelderrug in een voormalig kweldergebied. De tweelingterp wordt gescheiden door de oude getijdegeul de Wirdemermaar.  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Dit terrein vormt een geheel met CMA -113 en -115. Het is een ovale wierde, met als grootste lengte 235 meter, en als grootste breedte 165 meter. Hoogte boven de omgeving was 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Gedeeltelijk afgegraven en bebouwd. Deze flank is waarschijnlijk altijd vrij laag gebleven, in tegenstelling tot het zuidelijke deel. Het terrein vormt een geheel met 07F-043","SHAPE.STArea__":5238.4696049650001,"SHAPE.STLength__":303.39752165208375}},{"type":"Feature","id":"653","geometry":{"type":"Polygon","coordinates":[[[6.8234082370428615,53.311158276686051],[6.8230791897663181,53.311056154483339],[6.8228733630125191,53.311499902868348],[6.8228722249092204,53.311510703354621],[6.8228666686380155,53.311569188985189],[6.8229636886828988,53.311598587258842],[6.8235365329840896,53.311766102107399],[6.823541093166658,53.311767846041768],[6.8237391065414084,53.31136014379689],[6.8238101893583876,53.311286492294862],[6.8234082370428615,53.311158276686051]]]},"properties":{"OBJECTID":653,"MONUMENTNR":11818,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":9217,"KAARTBLAD":"07F","CODE":"145","X_COORD":250679,"Y_COORD":592490,"PROVINCIE":"Groningen","GEMEENTE":"Appingedam","PLAATS":"Appingedam","TOPONIEM":"GARREWEER","TOELICHTING":"Terrein met daarin een huiswierde uit de Middeleeuwen. Hoogte reliëf 0,38 meter. Zuidwest-noordoostelijk gerichte boerderij met gracht aan oost-zuidzijde. Terrein maakt deel uit van een cluster wierden rondom Garreweer.  Boorresultaten: 40-100 bewoningsp","SHAPE.STArea__":2968.4884900000002,"SHAPE.STLength__":220.84518684239225}},{"type":"Feature","id":"654","geometry":{"type":"Polygon","coordinates":[[[6.8207073110685021,53.312972750884164],[6.820594410520143,53.312962414026927],[6.8201184953425669,53.313589128279794],[6.8204040855341805,53.313647734853959],[6.8205897994534608,53.313681475667494],[6.8209882637257913,53.313749521094913],[6.8211467691723584,53.313777290628764],[6.8212154058979309,53.313629972774294],[6.8212834130299971,53.313508727238883],[6.8214294072543806,53.313295777766044],[6.8214568046295545,53.313262199607514],[6.8215061930817429,53.313213075724022],[6.8207750580445001,53.312979134058082],[6.8207073110685021,53.312972750884164]]]},"properties":{"OBJECTID":654,"MONUMENTNR":11819,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":9218,"KAARTBLAD":"07F","CODE":"146","X_COORD":250506,"Y_COORD":592704,"PROVINCIE":"Groningen","GEMEENTE":"Appingedam","PLAATS":"Appingedam","TOPONIEM":"GARREWEER","TOELICHTING":"Terrein met een huiswierde uit de IJzertijd. 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Essen liggen op plaatsen waar bewoning zich vanaf het Neolithicum concentreerde. 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Essen liggen op plaatsen waar zich vanaf het Neolithicum bewoning concentreerde. De kans is dus groot dat zich onder het esdek archeologische sporen bevinden. Opmerkelijk hoog reliëf met daar","SHAPE.STArea__":90011.765760070004,"SHAPE.STLength__":1768.7514535961698}},{"type":"Feature","id":"686","geometry":{"type":"Polygon","coordinates":[[[6.7193634061073819,53.39315267171753],[6.7184271905659223,53.392876340698102],[6.7182572072464781,53.393019314769987],[6.7181129708895586,53.393216830071445],[6.7181326725887729,53.393319064875286],[6.7181822994374185,53.393319417669908],[6.7182446451075268,53.393342093209483],[6.7191777279402896,53.393419848816997],[6.7193634061073819,53.39315267171753]]]},"properties":{"OBJECTID":686,"MONUMENTNR":7479,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":6027,"KAARTBLAD":"03G","CODE":"047","X_COORD":243540,"Y_COORD":601450,"PROVINCIE":"Groningen","GEMEENTE":"Eemsmond","PLAATS":"Oldenzijl","TOPONIEM":"OLDENZIJL-ZUID","TOELICHTING":"Terrein met daarin een bebouwde huisterp uit de Middeleeuwen. Hoogte circa 1.83 meter boven NAP. 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Bij inspectie in 1973 werden op de akker enige bolpotscherfjes en veel puinresten gevonden. Ook werd geconstateerd dat de wierde waarschijnlijk geheel of gedeeltelijk is geëgaliseerd. 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De bodem bestaat uit zandige klei en het monument is gelegen op een kwelderrug in een voormalig kweldergebied. De tweelingterp wordt gescheiden door de oude getijdegeul de Wirdemermaar.  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De bodem bestaat uit zandige klei en het monument is gelegen op een kwelderrug in een voormalig kweldergebied. De tweelingterp wordt gescheiden door de oude getijdegeul de Wirdemermaar.  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Gedeeltelijk geëgaliseerd. Nauwelijks verhoogd. Sloot aan zuid- en westzijde. Inheems Romeinse scherven. Terrein grenst in het oosten aan 07B-049 en maakt deel uit van een cluster terreinen zuidelijk onder Onderdend","SHAPE.STArea__":4119.5188099549996,"SHAPE.STLength__":255.75305785129149}},{"type":"Feature","id":"734","geometry":{"type":"Polygon","coordinates":[[[6.7498379045445551,53.338837559785333],[6.7482799905635034,53.338148793045029],[6.7476927897807562,53.338621879779325],[6.7474260873382672,53.338830706809858],[6.7472337289970392,53.338968591178364],[6.7471176115705864,53.339048096829579],[6.7469323552929152,53.339173317184041],[6.7466263365791157,53.339373597616181],[6.7464131845440187,53.339518907296771],[6.7464436600808986,53.339532940008503],[6.7466054975355281,53.339569758574903],[6.7475550544698368,53.339728884620598],[6.7486358716859725,53.339907189482595],[6.7498379045445551,53.338837559785333]]]},"properties":{"OBJECTID":734,"MONUMENTNR":11708,"WAARDE":"Terrein van zeer hoge archeologische waarde, beschermd","OID_1":9115,"KAARTBLAD":"07E","CODE":"168","X_COORD":245608,"Y_COORD":595465,"PROVINCIE":"Groningen","GEMEENTE":"Loppersum","PLAATS":"Loppersum","TOPONIEM":"Spriknest","TOELICHTING":"Terrein met een wierde met als datering Late IJzertijd.  Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie is een kwelderrug. De dikte van de bouwvoor is gesteld op 40 cm. 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Zie nu","SHAPE.STArea__":9049.1004400399997,"SHAPE.STLength__":708.95141132148035}},{"type":"Feature","id":"751","geometry":{"type":"Polygon","coordinates":[[[7.1847757365141085,53.126027707837395],[7.1850592936900188,53.125917273316709],[7.1860211460246664,53.125575869690444],[7.1865704873053913,53.12534346291514],[7.1865945167853829,53.125321429984545],[7.1865784145720122,53.125306402416605],[7.186423513616691,53.125166454586925],[7.1863958744358403,53.125136033329674],[7.1858748497637714,53.124649741653108],[7.1854383613383392,53.12428595293904],[7.1854380757093779,53.124285731605234],[7.1852069863654142,53.124107175947223],[7.1850152634758464,53.123981561429005],[7.1849195549632716,53.123918900528508],[7.1849161942861599,53.123916810701367],[7.1846483351773527,53.123754317664776],[7.1846052103633458,53.123723407381419],[7.1844072513442629,53.123600294462342],[7.1842973706911453,53.123653177929114],[7.1843205917586355,53.123672602445666],[7.1846607957451694,53.123876940880983],[7.184986219511468,53.124085094755429],[7.1850895929360723,53.124163542773282],[7.1852917074207685,53.124316917012791],[7.1854789282017304,53.124471416007111],[7.1855065528161512,53.12452493183546],[7.1854784342811442,53.124567599588211],[7.1853848296379921,53.124616648730303],[7.1852382486888331,53.124685363882932],[7.185200047017851,53.124737173501373],[7.1851986939843622,53.124848654590146],[7.1852092481927885,53.124959061726209],[7.1851869921930822,53.125034901959495],[7.1851220163185641,53.125161717078583],[7.1849919878623467,53.125413560453786],[7.1849665944662728,53.125449896786947],[7.1849350052643004,53.125480931858256],[7.1846138221033682,53.125699682438615],[7.1844313465080329,53.125803994090987],[7.1844342424786563,53.125945853895203],[7.1844448813030715,53.125945357256057],[7.1844551156372152,53.125944764209663],[7.1845228809765427,53.125957230221942],[7.1845509202602083,53.125967257405108],[7.1847234656260461,53.126028491913289],[7.1847757365141085,53.126027707837395]]]},"properties":{"OBJECTID":751,"MONUMENTNR":7398,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":5965,"KAARTBLAD":"13A","CODE":"054","X_COORD":275326,"Y_COORD":572271,"PROVINCIE":"Groningen","GEMEENTE":"Bellingwedde","PLAATS":"Bellingwolde","TOPONIEM":"WIJMEERSTERBRUG","TOELICHTING":"Terrein met daarin de resten van een verdedigingswerk/fleche uit de Nieuwe Tijd. 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Duidelijke verhoging, ten noorden van het pad in bouwland en ten zuiden in grasland, aflopend naar waarschijnlijk voormalige rivierloop. In zuidelijk deel in molshoop randscherf. 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Het monument bestaat uit verschillende monumentnummers: 07E-062, -170, 180, -181,","SHAPE.STArea__":1393.5337549799999,"SHAPE.STLength__":150.25729348602613}},{"type":"Feature","id":"769","geometry":{"type":"Polygon","coordinates":[[[7.077173527866381,52.879049573156117],[7.0775414846353968,52.878920308872651],[7.0775779160948433,52.878901817074095],[7.0778680646398406,52.878797024013835],[7.0778694425196198,52.878794310413866],[7.0779164587298951,52.878703749984062],[7.0779645180805213,52.878640145236162],[7.0780560249554876,52.878585813135736],[7.0783008536058123,52.878461887345495],[7.0786314187252914,52.878288206678903],[7.0787827654678175,52.878206054543291],[7.078902521048259,52.878152222110842],[7.0792628211626472,52.87797901168743],[7.0793661356565378,52.877922712388248],[7.079523024015681,52.877791941363363],[7.0795866265631053,52.8777460976453],[7.0796059796424409,52.877670313367801],[7.0796445534923862,52.877553801222028],[7.0796341452688027,52.877515297662271],[7.0796353426476548,52.877354369187408],[7.0797063777047482,52.877232008513737],[7.0796824097426301,52.877111891305951],[7.0796644138259284,52.876992590126179],[7.0796302469423864,52.876839360831575],[7.0795879953207947,52.876669161162098],[7.0795350229704566,52.876567435542349],[7.0795031538285773,52.876473500106513],[7.0794279055975124,52.876372086707406],[7.079379712141523,52.876317038361982],[7.0786405663226262,52.876298752377423],[7.0786124908859218,52.876302745982585],[7.0785292610684794,52.876302127660054],[7.0784978253005564,52.876257625909915],[7.0784075576588208,52.876151930998091],[7.0783630312007215,52.876114807029815],[7.0783016257156355,52.876102194142881],[7.0781859355704944,52.876107429096592],[7.0777405165752043,52.876115538068134],[7.0776226921449661,52.87614237515033],[7.0774759232388211,52.876150749088026],[7.0773739686969801,52.876127020366198],[7.0772870756750379,52.876108476323608],[7.0771589539391222,52.876099502601448],[7.0768845801533127,52.876112377634655],[7.0766419494122115,52.876139182817255],[7.076417239417518,52.876168433331408],[7.0760473587675188,52.876247379993615],[7.075759670075513,52.876338645632828],[7.0754709496702191,52.876441614795041],[7.0753652552934172,52.876513225238369],[7.0753058543237133,52.876514065453371],[7.0751705561417646,52.876550138301425],[7.074561920314177,52.876756509544691],[7.0742892916924891,52.876891604206556],[7.0742326951068675,52.876926563420788],[7.0741411523055007,52.876979996879619],[7.0739871747752172,52.877071165953865],[7.0737517371064422,52.87720753245079],[7.0738490258448019,52.877841698888354],[7.073895925563229,52.877824858128001],[7.073976115835479,52.877823724817809],[7.0740670165050936,52.87783052950612],[7.0741499769121861,52.877862614476278],[7.0742489661102903,52.877925038984621],[7.0743232334342885,52.878001297665648],[7.0743731474964866,52.87806261883582],[7.0743836248216336,52.878141576174151],[7.0743780055291108,52.87818840063855],[7.074346618322414,52.878222101884155],[7.0742721317691428,52.878255520624428],[7.0742090696274227,52.87827708281322],[7.0743199905973917,52.878417548723682],[7.0743459303785983,52.878435157852998],[7.0744495946003063,52.878541562564124],[7.0744859386563101,52.87859768107117],[7.0752273165082107,52.879057335833885],[7.075753305104711,52.878864716774693],[7.076062276520009,52.879054513972285],[7.0765062771253513,52.879047333273355],[7.0765437861038754,52.879056689648912],[7.0771442072045749,52.879059874709135],[7.077173527866381,52.879049573156117]]]},"properties":{"OBJECTID":769,"MONUMENTNR":7414,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":5977,"KAARTBLAD":"18A","CODE":"001","X_COORD":268695,"Y_COORD":544593,"PROVINCIE":"Groningen","GEMEENTE":"Vlagtwedde","PLAATS":"Ter Apel","TOPONIEM":"'T KLOOSTER","TOELICHTING":"Terrein met daarin de resten van een klooster uit de Late Middeleeuwen. 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In 1982 was de locatie nog een niet geëgaliseerde dekzandkop in een overigens afgevlakt landschap, nabij een stroompje (de Moersloot). De toestand van het bodemprofiel was niet dudelijk, maar wel stond vast dat","SHAPE.STArea__":8861.0204900200006,"SHAPE.STLength__":386.20645817239222}},{"type":"Feature","id":"771","geometry":{"type":"Polygon","coordinates":[[[7.0638188847745269,52.853354235526645],[7.0636472375241564,52.853292827268646],[7.0631676685197649,52.85372116131262],[7.0632173711485349,52.8537393405919],[7.0633333785916363,52.853782658172342],[7.064091832155535,52.854082129664732],[7.0645591774442495,52.853644972665442],[7.0641923117871332,52.853488321028188],[7.0638188847745269,52.853354235526645]]]},"properties":{"OBJECTID":771,"MONUMENTNR":7417,"WAARDE":"Terrein van archeologische waarde","OID_1":5980,"KAARTBLAD":"18A","CODE":"007","X_COORD":267890,"Y_COORD":541914,"PROVINCIE":"Groningen","GEMEENTE":"Vlagtwedde","PLAATS":"Maten","TOPONIEM":"DE MOERSLOOT","TOELICHTING":"Terrein met mogelijk sporen van bewoning.  Bij een kartering in 1984 is hier waarschijnlijk Mesolithisch vuursteen gevonden. De vindplaats is inmiddels grotendeels of geheel verdwenen bij aanleg van de weg Ter Apel - Duitse grens. 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Omvang terrein onbekend. Zie 07B-203. 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Ten zuidwesten van de wierde ligt nog een gedeelte van het vroegere borgterrein. Wierde is gedeeltelijk afgegraven.   M. Miedema, 1983.  Over","SHAPE.STArea__":140906.54210508501,"SHAPE.STLength__":2052.3519703626589}},{"type":"Feature","id":"833","geometry":{"type":"Polygon","coordinates":[[[6.6381805097495272,53.29307060152702],[6.6366867304351347,53.292663733630505],[6.6362870190229835,53.293208927169886],[6.6377861056729515,53.293591478162618],[6.6379347804310047,53.293390411563749],[6.6381805097495272,53.29307060152702]]]},"properties":{"OBJECTID":833,"MONUMENTNR":8770,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":7002,"KAARTBLAD":"07B","CODE":"091","X_COORD":238312,"Y_COORD":590224,"PROVINCIE":"Groningen","GEMEENTE":"Bedum","PLAATS":"Bedum","TOPONIEM":"HET REIDLAND-OOST","TOELICHTING":"Terrein met sporen van een huiswierde uit de 12de - 13de eeuw. Gelegen op de oeverwal van een voormalig stroompje. Zichtbaar verhoogd en plaatselijk afgegraven. 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Veldcontrole 1973 ROB (R. 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Het monument is gesitueerd in een voormalig kweldergebied. De bodemgesteldheid betreft zandige klei, de geomorfologie een kwelderrug. 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Het betreft de stadskern van Groningen. Bij electromagnetisch onderzoek en boringen door RAAP in 1995 werden onder de Ossenmarkt funderingsresten en grachtenvulling aangetroffen behorend bij het Bolwerk aldaar. De ligging","SHAPE.STArea__":2646854.0099500199,"SHAPE.STLength__":8108.988065298131}},{"type":"Feature","id":"852","geometry":{"type":"Polygon","coordinates":[[[6.6888120171991829,53.190115156876772],[6.6883203022751472,53.190036003606323],[6.688280736946413,53.190113727899281],[6.68761784664256,53.191658712701006],[6.6894920761670091,53.192027552885953],[6.6898557215771781,53.191231785266019],[6.690220819732736,53.190435104384832],[6.6902755646504488,53.190314975002558],[6.6902424643038563,53.190309044864051],[6.6900504694437064,53.190294053068122],[6.6897517180050476,53.190262242696654],[6.6896451280858154,53.190250815154798],[6.6888120171991829,53.190115156876772]]]},"properties":{"OBJECTID":852,"MONUMENTNR":8790,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":7018,"KAARTBLAD":"07G","CODE":"015","X_COORD":241965,"Y_COORD":578925,"PROVINCIE":"Groningen","GEMEENTE":"Hoogezand-Sappemeer","PLAATS":"Westerbroek","TOPONIEM":"VAARTWIJK","TOELICHTING":"Terrein met mogelijk sporen van een borg.  CAA gecontroleerd (04/2000): nog steeds niets gezien de huidige toestand van het terrein (topografische kaart) waarschijnlijk dat eventuele resten er nog liggen. Geen gegevens in Formsma.","SHAPE.STArea__":25385.465455025002,"SHAPE.STLength__":650.52458501889532}},{"type":"Feature","id":"853","geometry":{"type":"Polygon","coordinates":[[[6.6853240389147066,53.179693923119324],[6.6844338293610726,53.179442908014259],[6.6835120037717211,53.179634423890967],[6.6833321130949654,53.179672318535204],[6.6832507295030457,53.179652525983634],[6.683157071962162,53.179672412017993],[6.6824627171764801,53.179816527157271],[6.6820211293469232,53.179908474221151],[6.6821389984578241,53.179947645004404],[6.6826722309599482,53.180068618746759],[6.6845837257140017,53.180500944263393],[6.6864229810847577,53.180917842163424],[6.6869491781177333,53.180105942927355],[6.6855768880826538,53.179744213630045],[6.6853240389147066,53.179693923119324]]]},"properties":{"OBJECTID":853,"MONUMENTNR":8791,"WAARDE":"Terrein van hoge archeologische waarde","OID_1":7019,"KAARTBLAD":"07G","CODE":"016","X_COORD":241689,"Y_COORD":577714,"PROVINCIE":"Groningen","GEMEENTE":"Hoogezand-Sappemeer","PLAATS":"Westerbroek","TOPONIEM":"LANGWIJK","TOELICHTING":"Terrein met mogelijk sporen van een borg.  Niet bij Formsma, geen recent CAA. 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In 1971 was het terrein als een \"kleine doch duidelijke\" hoogte zichtbaar. Het perceel was in 1997 nog deels door een min of meer ronde sloot omgeven. Bij een boring in 1971 werden geen bewoningslagen herkend. 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Oorspronkelijk omgracht terrein met nog in 1997 een grachtrestant aan de zuidzijde. De huisplaats ligt op een dijkrestant of oeverwal. 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Oorspronkelijk omgracht terrein. de west- en zuidgracht zijn noordwaarts verlegd. 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