Northern Prairie Wildlife Research Center
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| Plate 15. Portion of a large semipermanent pond, slightly brackish, cover type 1 (IV-B-1). Shallow-marsh zone (in foreground) consisting of slough sedge (Carex atherodes), adjoins central deep-marsh zone, composed chiefly of river bulrush (Scirpus fluviatilis). May 7, 1963, Stutsman County, N. Dak. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/wetlands/pondlake/plate15.htm
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Menlo Park, CA [caww54]
