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

Keyword Search

Successful use of wooden roof bolts in Stony Point Mine, Stony Point Coal Co., Hopkins County, Ky.

Economic benefits of systematic roof bolting in Ziegler No. 3 Mine, Bell & Zoller Coal & Mining Co., Williamson County, Ill.,

Economies through roof bolting in an Indiana coal mine

Roof-bolt recovery in the middle west

Published Year

• 1950-1959 (4) *

Subject

• Mine roof bolting (4)
• Coal mines and mining--Indiana (1)
• Coal mines and mining--Kentucky--Hopkins County (1)
• Coal mines and mining--Safety measures (1)
• Mine accidents--Illinois (1)
• Mine timbering (1)

Author

• Kelly, L. W. (4) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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