01056cam a22002771 4500 gs 31000095 DLC 20260227111335.0 780124s1931 dcuaf b 000 0 eng c gs 31000095 (OCoLC)3577964 U.S. Geol. survey. Library CCC DLC premarc QE75 .B9 no. 825 549.1 Short, Maxwell Naylor, 1889- Microscopic determination of the ore minerals, by M. N. Short. Washington, U.S. Govt. Print. Off., 1931. vii, 204 p. incl. illus., tables. 11 pl. (part col.) 23 cm. U. S. Geological survey. Bulletin 825 At head of title: United States Department of the interior. Ray Lyman Wilbur, secretary. Geological survey. George Otis Smith, director ... The second edition, 1940, was issued as U. S. Geological survey Bulletin 914. Bibliographical foot-notes. Mineralogy, Determinative. Ore deposits. 26863 26863