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Winnebago River Upstream and Downstream of Mason City

(Photo of Winnebago River Upstream of Mason City unavailable)

Winneshek, IA

Winnebago River Upstream of Mason City

Winnebago River Downstream of Mason City

Locations Where Samples Were Taken

Winnebago River Cedar River Cedar River Iowa River Des Moines River Sewer Creek Iowa River South Skunk River Fourmile Creek Des Moines and Raccoon Rivers Des Moines River and Lizard Creek Outlet Creek Little Sioux and Ocheyedan Rivers Milford CreekOWCS Network Map
To see photos of the sampling locations near a specific town, click on the town names.  Hover over the town name to see which streams were sampled.  Or to see a table of sites, click here.

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U.S. Department of the Interior, U.S. Geological Survey
Toxic Substances Hydrology Program
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Last modified Thursday, April 18, 2002