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Originally posted on Gundersen Envision:

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Source: USGS, 2007

This is a photo of Lock and Dam No. 7 on the Mississippi River just a few miles up-river from La Crosse, WI. Several years ago Gundersen Health System attempted to pursue a low-head, hydro kinetic project at this location and conducted some feasibility studies and initial project development work. Unfortunately, several factors developed that prevented that project from moving forward. When you look at this photo, you can see the energy in the turbulence on the downstream side of the dam’s gates.  This is a reminder of the untapped, clean, renewable power source that our nation has in its rivers. As part of our feasibility work at the site, several of us took weekly water quality measurements (with permission from the Army Corps of Engineers) and got a close-up view of this turbulence behind the roller gates of the dam. There is an awesome and breathtaking…

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