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Information on mines with documents and data tables: There are 2,040 active mines as shown on the following map. In 2011, industry operated 1,621 mines or almost 80% of the...
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View within SubmissionGathering 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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View within SubmissionGathering 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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View within SubmissionGathering Resources...Topographic maps for the northern Appalachian Basin area, subsurface readings, and seismic data in the forms of PDFs and tables.-
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View within SubmissionGathering 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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View within SubmissionGathering Resources...From the site: "This map includes short descriptions of geologic units and a cross section showing the distribution of geologic units under the earth’s surface. Among other...-
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View within SubmissionGathering Resources... -