00735cam a22002411 4500 gs 18000400 DLC 20260227111323.0 760716s1918 cauae s001 0 eng c gs 18000400 (OCoLC)2314650 Library, U.S. Geological Survey OAkU OCoLC DLC premarc TN799.M3 B6 Boalich, E. S. (Edwin Snow), 1884- Manganese and chromium. 2d ed., by E.S. Boalich. Sacramento, California State Printing Office, 1918. 46 p. illus., plan. 23 cm. California State Mining Bureau. Preliminary report no. 3 Manganese. Chromium. 25883 25883