Middlesex County, NJArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/a85712ac0edd4f36a2725b68e491d6ae_10engNew Jersey Geographic Information Network (NJGIN) Open Data PortalPublicThompsonPark2FtContours [New Jersey]Web servicesNew JerseyLast Modified: 2023-07-24