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From the site: "Digital elevation model (DEM) data are arrays of regularly spaced elevation values referenced horizontally either to a Universal Transverse Mercator (UTM)...
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1968 geological map of West Virginia. Also includes separate fold and fault coverages from the same map. In 1968 the West Virginia Geological and Economic Survey (WVGES)...
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From the site: “A Digital Raster Graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. An unclipped scanned image includes all marginal...
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From the site: “A Digital Raster Graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. An unclipped scanned image includes all marginal...
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Kentucky Major Rivers (1:100k scale)
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This map service allows users to build a thematic chloropleth map of Kentucky or a selected area within the state from a selection of 545 groundwater quality analytes in 15...
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Ohio Digital Raster Graphs (DRGs)
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Kentucky Groundwater Springs
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Description This dataset is a complete digital hydrologic unit boundary layer to the subwatershed (12-digit) 6th level at 1:24,000 scale. It consists of geo-referenced digital...
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Major rivers as derived from Pennsylvania Dept. of Transportation's streams database, which is organized by county.
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The local resolution basic hydrography dataset is a hybrid dataset developed by the West Virginia GIS Technical Center as part of the effort to create local resolution NHD data...
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TDEC is continuously striving to create better business practices through GIS and one way that we have found to provide information and answer some question is utilizing an...
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These DEMs consist of an array of elevations for ground positions at regularly spaced 3-meter intervals. They were created from mass points and breaklines collected as part of...
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The National Elevation Dataset (NED) is a new raster product assembled by the U.S. Geological Survey. The NED is a seamless mosaic of best-available elevation data with a...
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"The Geological Society of America’s (GSA) Geologic Map of North America (Reed and others, 2005; 1:5,000,000) shows the geology of a significantly large area of the Earth,...
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This dataset is obsolete. For current watershed boundary data, use the NRCS's new watershed dataset. This shapefile describes 'watershed' hydrologic units, which are a...
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DNR has undergone a project to re-engineer and redesign its information systems for all offices of the department. Specifically, DNR has implemented Strategic Online Natural...
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A distributed archive of standardized geoscience spatial information and data for the nation. Developed by the USGS and State Geological Surveys.
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The 7.5-minute digital elevation model (DEM) data are digital representations of cartographic information in a raster form. The DEMs consists of an array of elevations for...
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A Digital Raster Graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. An unclipped scanned image includes all marginal information, while a...
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