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Rock River Archaeological Society June program
June 15 @ 7:00 PM - 8:30 PMFree
The Rock River Archaeological Society will be having a program on June 15th at the Horicon Marsh Education and Visitor Center in the lower level. Bruce Markert will present “Is the stream, river or lake healthy?” Ecological effect of Prehistoric Caddis Fly Larvae effect the health of streams, rivers and lakes. The program promises to be extremely interesting.