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Map layers associated with the Marcellus Shale in the interactive mapping system include various Onondaga map layers. This is confusing to many users--i.e., why don't we use...
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This dataset is obsolete.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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This database contains data collected by KGS during field projects or compiled from reports prepared by other companies or agencies. The data in eastern Kentucky were primarily...
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From the site: "Ecoregions were originally designated by the U.S. Forest Service in 1978 to provide a general description of the ecosystem geography of the United States." May...
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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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A listing of links for downloading GIS data regarding Fairfax County VA; of particular interest are the downloadable census/geography, soils, and water files.
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U.S. Counties (Generalized) represents the counties of the United States in the 50 states and the District of Columbia.
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From the site: "Spatially displays the six regions of Pennsylvania Department of Environmental Protection."
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From the site: "Draft ecoregions from the EPA."
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NETLThe National Carbon Sequestration Database and Geographic Information System (NATCARB) Saline spatial database is a small-scale (large-area) overview of carbon dioxide (CO2)...
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Dataset Size: 11.856 MB
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U.S. Rivers (Generalized) represents the major rivers within the United States.
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Dataset Size: 93.137 KB
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U.S. Populated Place Points represents populated places that include census designated places, consolidated cities, and incorporated places within United States identified by...
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Dataset Size: 1.007 MB
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The stream listing was prepared by district fisheries biologists with the WVDNR's Wildlife Resources Section in cooperation with the Natural Resources Conservation Service and...
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This geographic information system combines detailed information and location coordinates for oil wells, gas wells, and pipelines from the Commission's files with base map data...
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NETLLarge Scale Phase II Projects used for the Atlas
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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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This data was developed by the United States Forest Service, and is frequently updated as boundaries are corrected or adjusted. There are several datasets available, each...
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Census tracts are small, relatively permanent statistical subdivisions of a county (or statistical equivalent of a county), and are defined by local participants as part of the...
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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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