Northern Prairie Wildlife Research Center
Wetlands of the United States
Their Extent and Their Value To Waterfowl and Other Wildlife
|Marsh in Bennett County, S. Dak. Twenty-five ducks (mallards, pintails, and gadwalls) were flushed from this marsh by photographer on April 7, 1954.|
Type 3 -- Inland shallow fresh marshes: Distribution, abundance, and importance to waterfowl.
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