Classification of Natural Ponds and Lakes
in the Glaciated Prairie Region
Plate 18
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| Plate 18. Semipermanent pond, slightly brackish, cover type 2 (IV-B-2). Deep-marsh zone represented by open-water phase interspersed with and surrounded by emergent vegetation composed of a mixture of hardstem bulrush (Scirpus acutus) and slender bulrush (Scirpus heterochaetus). August 20, 1965, Stutsman County, N. Dak. |
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