Classification of Natural Ponds and Lakes
in the Glaciated Prairie Region
Plate 17
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| Plate 17. Semipermanent pond, slightly brackish, cover type 1 (IV-B-1). Predominant emergent vegetation of central deep-marsh zone is composed chiefly of hardstem bulrush (Scirpus acutus), associated with a few small patches of hybrid cattail (Typah "glauca"). August 1, 1962, Stutsman County, N. Dak. |
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