High-sulfur Pittsburgh coal
Subtitle: upgrading in southwestern Pennsylvania and northern West Virginia
By: by Thomas Fraser, W.L. Crentz and A.L. Bailey.
Contributors: Crentz, W. L.; Bailey, A. L.
Series: Bulletin / Bureau of Mines ;; 483; Bulletin (United States. Bureau of Mines) ;; 483.
Publisher: U.S. G.P.O.
Published: 1950
Place of publication: Washington, D.C
Language: eng
Number of pages: 70
Subjects: Coal -- Pennsylvania.; Coal -- West Virginia.