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Northern Prairie Wildlife Research Center

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Classification of Natural Ponds and Lakes
in the Glaciated Prairie Region

Plate 26

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Plate 26. Shoreline of a permanent lake, moderately brackish, cover type 4 (V-C-4). Vegetative debris in windrows on shore is composed of western widgeongrass (Ruppia occidentalis) from central permanent-open-water zone, and sago pondweed (Potamogeton pectinatus) and claspingleaf pondweed (Potamogeton richardsonii) from open-water phase of marginal deep-marsh zone. August 20, 1965, Kidder County, N. Dak.

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