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Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for Fiscal Year Ended June 30, 1947

Published Year

• 1940-1949 (1)

Subject

• Anthracite coal -- Pennsylvania. (1)
• Barrier pillars. (1)
• Coal mines and mining -- Pennsylvania. (1)
• Flood control. (1) *
• Mine water. (1)

Author

• Ash, S. H. (1)
• Cassap, W. E. (1)
• Eaton, W. L. (1)
• Hughes, Karl (1) *
• Romischer, W. M. (1)

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