Armstrong, C. A. (1975). Ground-water basic data for Emmons County, North Dakota. North Dakota Geological Survey.
Chicago Style (17th ed.) CitationArmstrong, C. A. Ground-water Basic Data for Emmons County, North Dakota. Bismarck: North Dakota Geological Survey, 1975.
MLA (9th ed.) CitationArmstrong, C. A. Ground-water Basic Data for Emmons County, North Dakota. North Dakota Geological Survey, 1975.
Warning: These citations may not always be 100% accurate.