Books by G. M. Martinez:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Martinez, G. M. (George M.): Electrolytes for electrorefining hafnium (U.S. Dept. of the Interior, Bureau of Mines, 1966), also by M. M. Wong, John M. Hiegel, and United States Bureau of Mines (page images at HathiTrust)- Martinez, G. M. (George M.): Recovering byproduct heavy minerals from sand and gravel, placer gold, and industrial mineral operations (U.S. Dept. of the Interior, Bureau of Mines, 1979), also by J. M. Gomes, M. M. Wong, and United States Bureau of Mines (page images at HathiTrust)
- Martinez, G. M. (George M.): Recovery of byproduct heavy minerals from sand and gravel operations in central and southern California (U.S. Bureau of Mines, 1980), also by J. M. Gomes and M. M. Wong (page images at HathiTrust)
- Martinez, G. M. (George M.): Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington (U.S. Dept. of the Interior, Bureau of Mines, 1981), also by M. M. Wong and J. M. Gomes (page images at HathiTrust)
Find more by G. M. Martinez at your library, or elsewhere.