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

Keyword Search

Moving longwall shield supports at the York Canyon mine, Raton, N. Mex.

Three potential longwall mining methods for thick coal seams in the western United States

Published Year

• 1970-1979 (2)

Subject

• Mining engineering (2) *
• Coal mines and mining--New Mexico--Raton (1)
• Coal mines and mining--West (U.S.) (1)
• Mine timbering (1)

Author

• Oitto, Richard H. (2) *
• Sikes, William E, (1)
• Wisecarver, David W., (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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