Robert F. Lundgren, Kathleen M. Rowland, Matthew J. Lindsay: Physical habitat, water quality, and riverine biological assemblages of selected reaches of the Sheyenne River, North Dakota, 2010. Nr.2011-5178. U.S. Geological Survey, 2012, S.3, doi:10.3133/sir20115178 (englisch, usgs.gov [abgerufen am 29. März 2022]).
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Robert F. Lundgren, Kathleen M. Rowland, Matthew J. Lindsay: Physical habitat, water quality, and riverine biological assemblages of selected reaches of the Sheyenne River, North Dakota, 2010. Nr.2011-5178. U.S. Geological Survey, 2012, S.3, doi:10.3133/sir20115178 (englisch, usgs.gov [abgerufen am 29. März 2022]).