The Secchi Disk is a 12-inch black and white plate attached to a rope or chain and lowered into a body of water until it is no longer visible. The depth at which the disk can no longer be seen is ...
Bob Lewis is proud of the award he carries with him in his boat. The avid angler and boater has taken part in every Secchi Day event at Beaver Lake since it started in 2006. The Beaver Water District ...
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