Recovery of byproduct heavy minerals from sand and gravel operations in central and southern California /
Gomes, J. M.
Recovery of byproduct heavy minerals from sand and gravel operations in central and southern California / by J. M. Gomes, G. M. Martinez, and M. M. Wong. - [Washington, D.C.] : U.S. Bureau of Mines, 1980. - 20 p. : ill. - Report of investigations ; 8471 . - Report of investigations (United States. Bureau of Mines) ; 8471. .
91026165
Heavy minerals--By-products--California.
Sand--California.
Gravel--California.
Recovery of byproduct heavy minerals from sand and gravel operations in central and southern California / by J. M. Gomes, G. M. Martinez, and M. M. Wong. - [Washington, D.C.] : U.S. Bureau of Mines, 1980. - 20 p. : ill. - Report of investigations ; 8471 . - Report of investigations (United States. Bureau of Mines) ; 8471. .
91026165
Heavy minerals--By-products--California.
Sand--California.
Gravel--California.