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

Keyword Search

Exploration for war minerals (through fiscal year 1942)

Ellington manganese deposit, Reynolds County, Mo.

Shaft-sinking methods and costs and cost of plant and equipment at the Fad shaft, Eureka Corp., Ltd., Eureka, Nev.

Published Year

• 1940-1949 (3) *

Subject

• Manganese ores--Missouri--Reynolds County (1)
• Mines and mineral resources--United States (1)
• Mining engineering (1)
• Shaft sinking--Costs (1)
• Shaft sinking--Technique (1)

Author

• Johnson, A. C. (3) *
• Mitchell, George W. (1)
• Mosier, McHenry. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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