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

Keyword Search

Use of a large-diameter auger in mining pitching anthracite beds

Published Year

• 1960-1969 (1)

Subject

• Augers (1) *
• Coal-mining machinery (1)

Author

• Markle, Donald. (1)
• Schimmel, J. T. (1)
• Tavenner, W. H. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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