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Building footprints are courtesy of VGIN map service and locality GIS departments. Building attributes and parcels are courtesy of the Hampton Roads Regional Parcels layer and locality GIS departments. Current flood zones are courtesy of the FEMA National Flood Hazard Layer, with base flood elevations reported in NAVD 1988 where available. Created 2/8/2019", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 2925, "latestWkid": 2925, "vcsWkid": 105703, "latestVcsWkid": 6360, "xyTolerance": 0.00328083333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -111140600, "falseY": -91532100, "xyUnits": 3048.0060960121905, "falseZ": -100000, "zUnits": 10000, "falseM": 0, "mUnits": 1 }, "sourceHeightModelInfo": { "heightModel": "gravity_related_height", "vertCRS": "NAVD88_height_(ftUS)", "heightUnit": "us-foot" }, "copyrightText": "Local government elevation certificates entered by HRPDC staff. 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