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. ; 27 cm. - Report of investigations ; 8471 . - Report of investigations (United States. Bureau of Mines) ; 8471. .
Bibliography: p. 20.
80607916
Heavy minerals--California.
Sand--California.
Gravel--California.
TN23 TN24.C2 / .U43 no. 8471
622 s 669
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. ; 27 cm. - Report of investigations ; 8471 . - Report of investigations (United States. Bureau of Mines) ; 8471. .
Bibliography: p. 20.
80607916
Heavy minerals--California.
Sand--California.
Gravel--California.
TN23 TN24.C2 / .U43 no. 8471
622 s 669