USGS - science for a changing world

Upper Midwest Environmental Sciences Center

Reach 1 - Navigation Pool 4 - Upper Mississippi River

UMESC Projects Pool 4
Aerial Photos
GIS Data
Long Term Resource Monitoring Program Field Station - Lake City


Pool 4 extends from Lock & Dam 4 located near Alma, Wisconsin upstream to Lock & Dam 3 located near Hager City, Wisconsin.

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Page Last Modified: January 29, 2016