@book{30389,
	author = {North Dakota Geological Survey. and Armstrong, C. A. and Geological Survey (U.S.)},
	title = {Geology and ground water resources of Divide County, North Dakota.},
	year = {1965-},
	series = {County ground water studies, 6},
	address = {Grand Forks,},
	note = {Prepared by the U.S. Geological Survey in cooperation with the North Dakota Geological Survey and the North Dakota State Water Commission.}
}