Northern Prairie Wildlife Research Center
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| Plate 22. Aspect of central portion of a semipermanent pond, brackish, cover type 3 (IV-D-3), following drought. Deep-marsh zone represented by open-water phase, surrounded by band of draw-down emergent vegetation composed of wild barley (Hordeum jubatum). August 3, 1962, Stutsman County, N. Dak. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/wetlands/pondlake/plate22.htm
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Menlo Park, CA [caww54]
