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Found 1166 dataset(s) matching "National Hydrography Dataset (NHD)".
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This data release contains mean-annual total nitrogen (TN) loads predicted by a SPARROW model for individual stream and shoreline reaches in the Chesapeake watershed as defined by NHDPlus, a...
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Notes: As of June 2020 this dataset has been static for several years. Recent versions of NHD High Res may be more detailed than this dataset for...
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This vector coverage of hydrography centerlines was derived from the National Hydrography Dataset (NHD), and encompasses all of Ohio and portions of Indiana, Michigan, Kentucky, West Virginia,...
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Gap Analysis Project (GAP) habitat maps are predictions of the spatial distribution of suitable environmental and land cover conditions within the United States for individual species. Mapped...
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This dataset is a continuous parameter grid (CPG) of mean basin elevation data (30 meter pixels) in the Pacific Northwest. Source data come from the U.S. Geological Survey National Elevation...
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This dataset is a continuous parameter grid (CPG) of mean basin elevation data (30 meter pixels) in the Pacific Northwest. Source data come from the U.S. Geological Survey National Elevation...
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“Karst” landscapes are characterized by distinctive hydrology and surface features, such as closed depressions, sinkholes, and sinking streams, that result from high rock solubility and...
