00853cam a22002531 4500 gs 34000109 DLC 20260227111338.0 780811s1934 mtua 000 0 eng gs 34000109 (OCoLC)4130484 DLC TxEU OCoLC DLC premarc GB126 .M Perry, Eugene S. (Eugene Sheridan), 1892- Physiography and ground-water supply in the Big Hole basin, Montana, by Eugene S. Perry. Butte, Montana, Montana School of Mines, 1934. ii, [1], 18 p. illus., col. map, tables, diagrs., 28 cm. Montana Bureau of Mines and Geology. Memoir no. 12 Mimeographed. Physical geography Montana. Water-supply Montana. Groundwater Montana. 27095 27095