TY - BOOK AU - Smedes,Harry Wynn ED - U.S. Atomic Energy Commission. TI - Geology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana, T2 - Geological Survey professional paper 510 AV - QE75 .P9 no. 510 PY - 1966/// CY - Washington PB - U.S. Govt. Print. Off. KW - Geology KW - Montana KW - Elkhorn Mountains KW - Petrology KW - Igneous rocks N1 - Part of illustrative matter in pocket; "Prepared partly on behalf of the U.S. Atomic Energy Commission."; Bibliography: p. 113-116 ER -