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...
2000. New York State Adirondack Park Agency. Regulatory wetlands as depicted on maps pursuant to Article 24 of the Environmental conservation law. Data set includes in-Park portions of Clinton...
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...
1979. U.S. Geological Survey. The DLG data files used to create this dataset are derived from the 1:2,000,000-scale maps contain selected base categories of cartographic data in...
1999. U.S. Geological Survey. The data set portrays the polygon and line water features of New York State. The file was produced by joining the individual State hydrography laye...
2013. New York State. Department of Environmental Conservation. These data are a set of ARC/INFO coverages composed of polygonal and linear features. Coverages are based on official New York State Freshwater Wet...
1999. U.S. Geological Survey. This map layer includes the locations of over 500 majors dams in New York State. The information in the map layer was provided by the U.S. Army Cor...
1994. U.S. Geological Survey. This data set shows the 1991 and 1994 National Water-Quality Assessment (NAWQA) study units' major surface-water sampling sites. These sites are in...
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...
1997. Cornell Institute for Resource Information Sciences (Cornell IRIS). Submerged aquatic vegetation (SAV) is an important habitat and site of primary production in many aquatic ecosystems but there was no baseline info...