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Primary view of Thickness of Bituminous Coal and Lignite Seams Mined in the United States in 1945
Young, W. H. & Anderson, R. L.
December 1947
Primary view of Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for 1945
Ash, S. H.; Cassap, W. E.; Westfield, James; Eaton, W. L.; Romischer, W. M.; Podgorski, E. J. et al.
August 1947
Primary view of Production of Metallurgical Alumina from Pennsylvania Nodular Diaspore Clays
Conley, J. E.; Brown, R. A.; Cservenyak, F. J.; Anderberg, R. C.; Kandiner, H. J. & Green, S. J.
1947
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