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"OpenStreetMap contributors"
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PDF and shapefile maps and data depicting the coal fields of the conterminous United States. Includes coal production data, coal type rankings, coal ages, and other information.
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View within SubmissionGathering Resources...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... -