8-Digit Watersheds, New York State, 1994
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...
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environment
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1994
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U.S. Geological Survey
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Major Surface Water Sampling Sites (NAWQA), New York State, 1991 and 1994
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...