APA (7th ed.) Citation

North Dakota Geological Survey. (1949). Report of investigations / North Dakota Geological Survey. North Dakota Geological Survey.

Chicago Style (17th ed.) Citation

North Dakota Geological Survey. Report of Investigations / North Dakota Geological Survey. Grand Forks, N.D.: North Dakota Geological Survey, 1949.

MLA (9th ed.) Citation

North Dakota Geological Survey. Report of Investigations / North Dakota Geological Survey. North Dakota Geological Survey, 1949.

Warning: These citations may not always be 100% accurate.