{ "type" : "Feature", "links" : [ { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items?f=application%2fjson", "rel" : "collection", "type" : "application/geo+json", "title" : "The collection document" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items/21?f=json", "rel" : "self", "type" : "application/geo+json", "title" : "This document as JSON" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items/21?f=text/html", "rel" : "alternate", "type" : "text/html", "title" : "This document as text/html" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items/21?f=application/geo+json", "rel" : "alternate", "type" : "application/geo+json", "title" : "This document as application/geo+json" } ], "LayerId" : 24, "LayerName" : "Dijksystemen", "id" : "21", "properties" : { "OBJECTID" : 21, "TOELICHTING" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/MapServer/50/11/attachments/10", "ONTSTAAN" : "Voor 1200", "SYSTEEM" : "Westergo Slachte", "VERSCHIJNING" : "aangelegd", "OORSPRFUNCTIE" : "Binnenpolderdijk", "SHAPE_Length" : 2201.1785531136406, "OORSPRONGOMSCHRIJVING" : "Binnenpolderdijken dienden ertoe om bij dijkdoorbraken de penetratie landinwaarts van het zeewater zoveel mogelijk te beperken. De aloude Slachte is hiervan het bekendste voorbeeld. Daarnaast werden binnendijken opgeworpen om het opstuwen van binnenwater tegen te gaan en als het ware door compartimentering het opwaaien van het boezemwater te bedwingen, dan wel het water vanuit naast-gelegen gebieden te keren. ", "OMSCHRIJVING_RIENKS_EN_WALTHER" : "Tracé tussen driesprong bij Getswerder Zijl en driesprong ten noorden van Kiesterzijl, onderdeel van Slachtedijk. Tracé is tevens onderdeel van Polder Wijnaldum en Polder Franeker - Westerein. Terwijl hij halverwege Getswerdersyl twee interessante bochten vormde met een kort recht stuk ertussen en bij die zijl met een scherpe hoek in zuidwestelijke richting afboog. De oostelijke dijk van de polder vormde later en thans nog een onderdeel van de Slachte; hij volgde de dorpsgrens van Herbaijum (volgens de kaart van B. 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