The Montana State Bureau of Mines and Metallurgy. - Butte, State School of Mines, 1919. - 8 p. 23 cm. - University of Montana bulletin. Bureau of Mines and Metallurgy series, no. 1 . - Montana. State Brueau of Mines and Geology. Bulletin ; no. 1. . LCCN: gs 20000314 LC Class. No.: TN24.M9 / A4 1919