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Acid-Mine-Drainage Problems: Anthracite Region of Pennsylvania
Mine Pumping Plants: Anthracite Region of Pennsylvania
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Published Year
1950-1959 (2) *
Subject
Mine drainage. (1)
Water -- Composition. (1)
Water -- Pollution. (1)
Author
Ash, S. H. (Simon Harry), b. 1889 (2)
Kennedy, D. O. (2) *
Felegy, E. W. (1)
Hower, C. S. (1)
