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

Keyword Search

Recovery of gold from black sand by classifier concentration

Comparison of methods of gold recovery from black sand

Methane in California gold mines

Published Year

• 1920-1929 (3) *

Subject

• Gold mines and mining (3) *
• Firedamp (1)
• Gas bursts (1)
• Gold mines and mining--California (1)
• Methane (1)
• Mine gases (1)
• Mine gases--Flammability (1)
• Mine gases--Measurement (1)
• Mine ventilation (1)

Author

• Gross, John, (2)
• Davis, John A. (1)
• Gardner, E. D. (1)
• Pickard, Byron O., (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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