00830cam a22002771 4500 gs 49000120 DLC 20260227111355.0 780815s1948 mtua 000 0 eng gs 49000120 (OCoLC)4143629 DLC TxEU DLC premarc TN24.M9 P4 Perry, Eugene S. (Eugene Sheridan), 1892- Talc, graphite, vermiculite and asbestos deposits in Montana. Butte, Montana School of Mines, 1948. vi, 44 p. illus., maps, 28 cm. Montana Bureau of Mines and Geology. Memoir no. 27 Bibliography: p. 43-44. Mines and mineral resources Montana. Talc. Graphite. Vermiculite. Asbestos. 28366 28366