1994. U.S. Geological Survey. This shapefile contains the boundaries of the 8-digit watersheds that intersect New York State. These hydrologic unit boundaries provide a uniquel...
1997. New York State Adirondack Park Agency and Daniel M. Spada, Project Director (compiler). A set of 18 USGS 7.5' quadrangle-based wetland coverages was prepared for the Oswegatchie-Black, Upper Hudson, and St. Regis River watersheds, prim...
1994. New York Cornell University Aquatic Ecology group. This dataset provides polygon coverage of the basins in the Great Lakes tributary watersheds of New York state, except for the Genesee, Black, Salm...
1998. James A. Miller (comp.). This data set contains the shallowest principal aquifers of New York State, portrayed as lines. The data set was developed as part of the effort to...
2004. Lamont-Doherty Earth Observatory, Columbia University. This dataset provides sediment types found on the floor of the Hudson River Estuary. The sediment type interpretation is based on the grain size an...
2004. Lamont-Doherty Earth Observatory, Columbia University. This dataset provides sedimentary environments of the Hudson River Estuary from Verrazano Narrows Bridge to Troy. Areas of the Hudson River shallow...
1996. New York Aquatic Gap Analysis Group. This shapefile contains polygons representing the stream basins of the Allegheny River watershed in western New York. Basins were developed for str...
1996. New York Aquatic Gap Analysis Group. This shapefile contains polygons representing the stream basins of the French Creek watershed in western New York. Basins were developed for stream...