Armstrong, C. A. (1978). Ground-water resources of Emmons County, North Dakota. [North Dakota Geological Survey].
Chicago Style (17th ed.) CitationArmstrong, C. A. Ground-water Resources of Emmons County, North Dakota. Bismarck: [North Dakota Geological Survey], 1978.
MLA (9th ed.) CitationArmstrong, C. A. Ground-water Resources of Emmons County, North Dakota. [North Dakota Geological Survey], 1978.
Warning: These citations may not always be 100% accurate.