Search Results - Martinez, G. M. (George M)

Recovery of byproduct heavy minerals from Oregon and Washington sand and gravel operations by Martinez, G. M. (George M)

Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington / by Martinez, G. M. (George M.)

Recovering byproduct heavy minerals from sand and gravel, placer gold, and industrial mineral operations / by Gomes, J. M. (John M.)

Other Authors:

Recovery of byproduct heavy minerals from sand and gravel operations in central and southern California / by Gomes, J. M. (John M.)

Other Authors: “…Martinez, G. M. (George M.)…”