01172cam a2200289 4500 gs 68000285 DLC 20260227111423.0 690523s1968 mtuab b 00010 eng c gs 68000285 //r935 U.S. Geological Survey Library DLC DLC n-us-mt GB1025.M9 T32 553/.79/09786 Taylor, O. James. Ground water resources of the northern Powder River Valley, southeastern Montana, by O. James Taylor. Butte, Montana College of Mineral Science and Technology, 1968. iv, 34 p. illus., maps (1 fold. in pocket) 28 cm. 1.00 Montana. State Bureau of Mines and Geology. Bulletin 66 Prepared by the United States Geological Survey, Water Resources Division, under a cooperative agreement with the Montana Bureau of Mines and Geology. Bibliography: p. 33. Groundwater Montana. Water-supply Montana. Geological Survey (U.S.). Water Resources Division. Bulletin (Montana Bureau of Mines and Geology) ; 66. 30500 30500