Northern Prairie Wildlife Research Center
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| Plate 27. Alkali lake (VI-4). Intermittent-alkali zone is represented by shallow open-water phase bordered by exposed glistening-white alkali mud flats. May 27, 1968, Sheridan County, N. Dak. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/wetlands/pondlake/plate27.htm
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