Martinez, G. M.
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)
622 / .751
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)
622 / .751