Downey, J. S. (1973). Ground-water resources: Nelson and Walsh Counties, North Dakota. [North Dakota Geological Survey].
Chicago Style (17th ed.) CitationDowney, Joe S. Ground-water Resources: Nelson and Walsh Counties, North Dakota. [Grand Forks]: [North Dakota Geological Survey], 1973.
MLA (9th ed.) CitationDowney, Joe S. Ground-water Resources: Nelson and Walsh Counties, North Dakota. [North Dakota Geological Survey], 1973.
Warning: These citations may not always be 100% accurate.