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

Keyword Search

Water problem in the Pennsylvania anthracite mining region

Backfilling problem in the anthracite region as it relates to conservation of anthracite and prevention of subsidence

Published Year

• 1940-1949 (2)

Subject

• Anthracite coal--Pennsylvania (2)
• Coal mines and mining--Pennsylvania (2) *
• Mine drainage (1)
• Mining engineering (1)
• Subsidences (Earth movements) (1)

Author

• Ash, S. H. (2) *
• Westfield, James. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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