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

Keyword Search

A comparison of borer, ripper, and conventional mining products in Illinois No. 6 seam coal

Published Year

• 1970-1979 (1)

Subject

• Coal--Illinois--Analysis (1)
• Coal-handling (1) *
• Mining engineering--Illinois (1)

Author

• Engelmann, William H. (1)
• Fumanti, R. R. (1)
• Schmidt, Robert L. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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