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

Keyword Search

Some factors affecting losses of coal in mining

Falls of roof and coal in bituminous coal-mines

Published Year

• 1920-1929 (2)

Subject

• Bituminous coal mines and mining (2) *
• Anthracite coal mines and mining (1)
• Bituminous coal (1)
• Bituminous coal--Pennsylvania (1)
• Coal mine accidents (1)
• Coal mine accidents--Statistics (1)
• Coal mines and mining (1)
• Coal mines and mining--United States (1)
• Mine accidents (1)

Author

• Adams, William W. (1)
• Rice, George S. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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