01261cam a22003011 4500 gs 61000172 DLC 20260227111410.0 740920s1960 mtuab b 000 0 eng c gs 61000172 (OCoLC)1017367 U.S. Geol. Survey. Libr. NRU OCoLC DLC premarc GB1025.M9 Z5 Zimmerman, Everett A. (Everett Alfred), 1927- Preliminary report on the geology and ground-water resources of northern Blaine County, Montana. Butte, Montana School of Mines, 1960. iii, 19 p. maps (1 fold. in pocket) diagrs., tables. 28 cm. Montana. Bureau of Mines and Geology. Bulletin 19 "Prepared by the United States Geological Survey, Water Resources Division, under a cooperative agreement with the Montana Bureau of Mines and Geology." Bibliography: p. 19. Groundwater Montana Blaine County. Geology Montana Blaine County. Water-supply Montana Blaine County. Water Analysis. Geological Survey (U.S.). Water Resources Division. Montana Bureau of Mines and Geology. Bulletin ; 19. 29529 29529