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Inundated anthracite reserves: Eastern Middle field of Pennsylvania
Reserves in each pool studied; amount of minable coal calculated; description of Eastern Middle field and reserves; methods of unwatering by means of drainage tunnel, central underground pumping plant and deep well pumping plant proposed; maps, cross sections, photographs.
Inundated anthracite reserves: Eastern Middle field of Pennsylvania
Reserves in each pool studied; amount of minable coal calculated; description of Eastern Middle field and reserves; methods of unwatering by means of drainage tunnel, central underground pumping plant and deep well pumping plant proposed; maps, cross sections, photographs.
Inundated anthracite reserves: Eastern Middle field of Pennsylvania
U S Bur Mines -- Bul
Ash, S.H. (author) / Kynor, H.D. (author) / Fatzinger, R.W. (author) / Davies, B.S. (author) / Gilbert, J.C. (author)
1950
28 pages
Bibliography
Report
English
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