00699cam a22002291 4500 gs 49000106 DLC 20260227111355.0 780815s1948 mtua 000 0 eng gs 49000106 (OCoLC)4143608 DLC TxEU DLC TN423.M9 L9 Lyden, Charles J. (Charles Joseph), 1918- The gold placers of Montana. Butte, Montana School of Mines, 1948. ix, 152 p. illus., maps, 28 cm. Montana Bureau of Mines and Geology. Memoir no. 26 Bibliography: p. 149-152. Gold mines and mining Montana. Placer mining. 28357 28357