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Primary view of Sediment Discharge from Highway Construction Near Port Carbon, Pennsylvannia
Helm, Robert E.
April 1978
Primary view of Inundated Anthracite Reserves: Eastern Middle Field of Pennsylvania
Ash, S. H. (Simon Harry), b. 1889; Kynor, H. D.; Fatzinger, R. W.; Davies, B. S. & Gilbert, J. C.
1950
Primary view of Surface-Water Seepage into Anthracite Mines in the Western Middle Field: Anthracite Region of Pennsylvania
Ash, S. H. (Simon Harry), b. 1889 & Link, H. B.
1953
Primary view of Surface-Water Seepage into Anthracite Mines in the Southern Field: Anthracite Region of Pennsylvania
Ash, S. H. (Simon Harry), b. 1889; Link, H. B. & Romischer, W. M.
1954
Primary view of Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses
Lord, N. W.
1913
Primary view of Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples
Lord, N. W.
1913
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