U.S. Navy Sea Cadet divers Petty Officer Emily Hadash (left) and Lead Petty Officer Jonathan Allen measure one of 19 tree stumps found in about 22 feet of water in the Thunder Bay area near Alpena Wednesday, July 8. Research there will aid in this summer's exploration of the ancient waterfall and cave discovered near Mackinac Island in 2007 and 2008, respectively. (Photograph courtesy of Luke Clyburn) 019p1_xlg.jpg

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2009-07-18 digital edition