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Deep-well pumps and shaft pumps in anthracite mines of Pennsylvania
Centrifugal pump installations in anthracite mines of Pennsylvania
Design and testing of Bureau of Mines coal planer
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Published Year
1950-1959 (3) *
Subject
Coal mines and mining--Pennsylvania--Equipment and supplies (3) *
Anthracite coal industry--Pennsylvania--Equipment and supplies (2)
Mine pumps--Pennsylvania (2)
Coal mines and mining--Pennsylvania (1)
Author
Lesser, William H. (2)
Buch, John Willard. (1)
Griffith, Walter R. (1)
Schimmel, John T. (1)
