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

Keyword Search

Investigation of the Boulder County tungsten district, Boulder County, Colo.

Mining investigations of manganese deposits in the Maggie Canyon area, Artillery Mountains region, Mohave County, Ariz.

Published Year

• 1950-1959 (2) *

Subject

• Manganese mines and mining--Arizona (1)
• Manganese ores--Arizona (1)
• Tungsten--Colorado--Boulder County (1)

Author

• Everett, F. D. (2) *
• Hazen, S. W., (1)
• Kumke, Charles A. (1)
• Rose, C. K. (1)
• Warne, J. D. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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