Recovery of byproduct heavy minerals from Oregon and Washington sand and gravel operations
by G.M. Martinez, J.M. Gomes, and M.M. Wong
- Washington U.S. Dept. of the Interior, Bureau of Mines 1981
- 14p. ill. 27cm.
- Report of investigations 8563 .
Quarries and quarrying--By-products--Oregon Quarries and quarrying--By-products--Washington (State) Heavy minerals--Oregon Heavy minerals--Washington (State)