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description:
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This dataset covers the geographic area of Westchester County, New York. Dataset contains planimetric base map data for streams, creeks, and in some cases rivers, that are less than 10' in width. The source for the imagery is aerial photography acquired in April 2018. The planimetric data was originally compiled from aerial imagery collected in the year 2004. In 2018, new aerial imagery was acquired over the county of Westchester and all planimetric data was updated at that time. This layer contains the polygons delineating hydrologic features. The data was photogrammetrically stereo-compiled to North American Datum 1983; New York State Plane East Zone. |