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

Keyword Search

Recovery percentage of bituminous coal deposits in the United States (in two parts).

Published Year

• 1960-1969 (1)

Subject

• Bituminous coal--United States (1) *

Author

• Lowrie, Raymond L. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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