Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Upper Mississippi River Navigation System
Photographer: K. Linzmeier
Taken: May 1, 2011
Caption: Upper Mississippi River Navigation System
Additional Description:
[lock and dam details]
[security notice]

Submitted: October 18, 2011, by Keith L of Wisconsin Rapids, Wisconsin.
Database Locator Identification Number: p177546
File Size: 2.075 Megabytes

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