Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Character of drainage from mines in the Thick Freeport coal bed, Pennsylvania

Published Year

• 1930-1939 (1)

Subject

• Mine drainage (1) *

Author

• Leitch, R. D. (1) *
• Sayers, R. R. (1)
• Yant, W. P. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010