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

Keyword Search

Some factors affecting losses of coal in mining

Published Year

• 1920-1929 (1)

Subject

• Anthracite coal mines and mining (1) *
• Bituminous coal mines and mining (1)
• Coal mines and mining (1) *
• Coal mines and mining--United States (1)

Author

• Rice, George S. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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