Downey, J. S. (1971). Ground-water basic data: Nelson and Walsh Counties, North Dakota. North Dakota Geological Survey.
Chicago Style (17th ed.) CitationDowney, Joe S. Ground-water Basic Data: Nelson and Walsh Counties, North Dakota. Bismarck: North Dakota Geological Survey, 1971.
MLA (9th ed.) CitationDowney, Joe S. Ground-water Basic Data: Nelson and Walsh Counties, North Dakota. North Dakota Geological Survey, 1971.
Warning: These citations may not always be 100% accurate.