NYU Spatial Data Repository

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1. DCW Drainage Features, Polygons

1992. This datalayer is a polygon coverage representing drainage features located throughout DCW (Digital Chart of the World) geographic coverage as of 1... National Imagery and Mapping Agency.

2. VMap1 Rivers and Streams, Polygons

1995. This datalayer is a polygon coverage representing rivers and streams located throughout current VMap1 geographic coverage areas. Features in this l...