Northern Prairie Wildlife Research Center

Wetlands of the United States

Their Extent and Their Value To Waterfowl and Other Wildlife

Plate 4

Marsh
Marsh in Dickinson County, Iowa. Very few such large marshlands are left. This is excellent production and feeding habitat.

PLATE 4
Map

Type 4 -- Inland deep fresh marshes: Distribution, abundance, and importance to waterfowl.

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