Armstrong, C. A. (1984). Evaluation of the hydrologic system and potential effects of mining in the Dickinson lignite area, eastern Slope and western Stark and Hettinger counties, North Dakota. U.S. Geological Survey.
Chicago Style (17th ed.) CitationArmstrong, C. A. Evaluation of the Hydrologic System and Potential Effects of Mining in the Dickinson Lignite Area, Eastern Slope and Western Stark and Hettinger Counties, North Dakota. Bismarck, North Dakota: U.S. Geological Survey, 1984.
MLA (9th ed.) CitationArmstrong, C. A. Evaluation of the Hydrologic System and Potential Effects of Mining in the Dickinson Lignite Area, Eastern Slope and Western Stark and Hettinger Counties, North Dakota. U.S. Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.