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

Keyword Search

Placer mining in the western United States :part 1. general information, hand-shoveling, and ground-sluicing

Placer mining in the western United States :part II. Hydraulicking, treatment of placer concentrates, and marketing of gold

Published Year

• 1930-1939 (2)

Subject

• Gold mines and mining--United States (2) *
• Hydraulic mining (2)

Author

• Gardner, E. D. (2) *
• Johnson, C. H. (2)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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