No, they look pretty darn good, actually. \:\) In the lower productivity water in gravel pits, you've got to believe that such structures do a lot. Not just fish concentration, but things such as substrate for the periphyton and all the invertebrates that follow.

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From Bob Lusk: Dr. Dave Willis passed away January 13, 2014. He continues to be a key part of our Pond Boss family...and always will be.