01110cam a22002651 4500 gs 20000221 DLC 20260227111324.0 861112s1919 mtu d 000 0 eng c gs 20000221 (OCoLC)14705547 U.S. Geol. Survey. Libr. TxDaM TxDaM DLC premarc TN24.M9 A4 1919a Montana Bureau of Mines and Geology. Directory, Montana metal and coal mines. Butte, State School of Mines, 1919. 30 p. 24 cm. University of Montana bulletin. Bureau of Mines and Metallurgy series, no. 2 At head of title: The Montana State Bureau of Mines and Metallurgy. "Supplementary to a report on the various mining districts of Montana which is now being prepared by the Geological Department of the State Bureau of Mines and Metallurgy." Mineral industries Montana Directories. Coal mines and mining Montana Directories. Bulletin (Montana Bureau of Mines and Geology) ; no. 2. 26011 26011