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

Keyword Search

Development of a rotary test drill

Limestone and dolomite

Published Year

• 1950-1959 (2) *

Subject

• Mineral industries (2) *
• Mines and mineral resources (2) *
• Dolomite (1)
• Drilling and boring (1)
• Limestone (1)
• Mining engineering (1)

Author

• Bowles, Oliver, (1)
• Brackel, Lewis H. (1)
• Wright, Fred D. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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