Mike Holzer, left, civil engineer, and Jim Cook, project manager,
discuss the miter gate replacement at Lock and Dam 9. The U.S. Army Corps of Engineers, St. Paul District is working with the Rock Island District and their 500-ton heavy lift crane, "The Quad Cities" to replace the four miter gates at Lock and Dam 9, near Lynxville, Wisconsin, July 21. USACE St. Paul District photo by Melanie Peterson
| Date Taken: | 07.21.2026 |
| Date Posted: | 08.11.2026 11:31 |
| Photo ID: | 9862703 |
| VIRIN: | 260721-A-AB038-1048 |
| Resolution: | 6000x4000 |
| Size: | 4.53 MB |
| Location: | LYNXVILLE, WISCONSIN, US |
| Web Views: | 2 |
| Downloads: | 0 |
This work, Stronger gates, stronger river: Lock and Dam 9 upgrade secures Upper Mississippi Navigation [Image 4 of 4], by Melanie Peterson, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
Stronger gates, stronger river: Lock and Dam 9 upgrade secures Upper Mississippi Navigation
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