00980cam a22002651 4500 gs 65000238 DLC 20260227111416.0 790222s1964 mtua 000 0 eng c gs 65000238 (OCoLC)4682731 U. S. Geol. Survey TxEU DLC premarc TN24.M9 E15 Earll, Fred N. Economic geology and geochemical study of of [sic] Winston mining district, Broadwater County, Montana, by F. N. Earll. Butte, Montana School of Mines, 1964. iii, 56 p. illus., maps (2 fold. in pocket) 28 cm. Montana Bureau of Mines and Geology. Bulletin 41 Bibliography: p. 43. Geology, Economic Montana Broadwater County. Geochemical prospecting. Mines and mineral resources Montana Broadwater County. Winston mining district, Broadwater County, Montana. 30040 30040