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From the site: "Coverages showing political boundaries, map indexes, regions, area development districts (ADDs), grids, etc."
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Gathering Resources...From the site: "This report describes new digital maps delineating areas of the United States, including Puerto Rico and the U.S. Virgin Islands, having karst or the potential...-
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Gathering Resources...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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Gathering Resources...From the site: "Desktop GIS software users may access IGS Web map services (WMS) online without downloading GIS data sets to their local systems. This is particularly useful for...-
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Gathering Resources...From the site: "Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 scale. The...-
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Gathering Resources...From the site: "Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and...-
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Gathering Resources...The Physiographic Map of Maryland consists of 2 sections. The first section is Explanatory Text for the Physiographic Map of Maryland (Open File Report 08-03-1 ). This...-
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Gathering Resources...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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Gathering Resources..."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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Gathering Resources...From the site: "Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 scale. The...-
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Gathering Resources...EnVision serves as a graphics-based internet portal and single point-of-entry for users to access energy maps and geospatial data. It relies on a “dashboard” of pre-defined...-
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Gathering Resources...Multiple GIS maps with oil, gas, coal, and other data for West Virginia; some maps include bordering states. Useful for finding information about sections of the Appalachian Basin.-
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Gathering Resources...From the site: "The AAPG, under the direction and guidance of the GIS Publications Committee and AAPG Datapages, is building a GIS / spatial library comprised of peer-reviewed...-
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Gathering Resources...USGS GIS data of the United States water resources maps, soil, hydrology, and weather. Contains multiple links to useful and informative websites.-
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