01362cam a2200325 4500 gs 67000309 DLC 20260227111421.0 710324m19659999ndub b 000 0 eng c gs 67000309 //r934 U.S. Geol. Survey. Library DLC DLC n-us-nd North Dakota Geological Survey. Geology and ground water resources of Divide County, North Dakota. Grand Forks, 1965- pts. maps (2 fold. in pocket) 24 cm. County ground water studies, 6 North Dakota. Geological Survey. Bulletin 45 Prepared by the U.S. Geological Survey in cooperation with the North Dakota Geological Survey and the North Dakota State Water Commission. Includes bibliographies. --pt. 2. Ground water basic data, by C. A. Armstrong. Geology North Dakota Divide County. Water-supply North Dakota Divide County. Groundwater North Dakota Divide County. Armstrong, C. A. (Clarence Allen), 1921- Geological Survey (U.S.) North Dakota State Water Commission. North Dakota. Geological Survey. County ground water studies, 6 Bulletin (North Dakota Geological Survey) ; 45. 30389 30389