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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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Gathering Resources...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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Gathering Resources...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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Gathering Resources...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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Gathering Resources...In 2001, the Bureau of Topographic and Geologic Survey (the Bureau) released the Digital Bedrock Geology of Pennsylvania. This dataset was based on Map 1, Geologic Map of...-
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Gathering Resources...The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined...-
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Gathering Resources...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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Gathering Resources... -