Upper Mississippi River Restoration Program

Long Term Resource Monitoring

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Reach 1 - Navigation Pool 4 - Upper Mississippi River

Aerial Photos
GIS Data
Data Preview Land Cover Changes
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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U.S. Department of the Interior | U.S. Geological Survey

Page Last Modified: May 7, 2018