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

Keyword Search

Lighting practices in coal mines of the United States

Published Year

• 1930-1939 (1)

Subject

• Coal mines and mining--Safety measures (1)
• Mine lighting (1)
• Mine lighting--Equipment and supplies (1) *

Author

• Hooker, A. B. (1)
• Owings, C. W. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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