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

Keyword Search

List of permissible mine equipment approved during 1940

Permissible mine equipment approved during 1942

Permissible mine equipment approved during 1943

Permissible mine equipment approved during the calendar years 1955-56 :with appended list of manufacturers of flame resistant trailing cables and fire-resistant conveyor belts

Published Year

• 1940-1949 (3)
• 1950-1959 (1)

Subject

• Coal mines and mining--United States--Safety measures (4)
• Mines safety--United States--Equipment and supplies (4) *

Author

• Gleim, E. J. (4) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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