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Publication Extents

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Coal resources of Virginia
Andrew Brown, Henry L. Berryhill Jr., Dorothy A. Taylor, James V. A. Trumbull
1952, Circular 171
The U. S. Geological Survey and the Virginia Geological Survey have cooperated in preparing this reappraisal of the coal resources of Virginia, which is based on a study of all information" on the reserves of the State available in the publications and files of the two organizations, supplemented by mine...