The invasive quagga mussels, which produce acid that corrodes metal, have spread throughout the lower Great Lakes, placing once-well-preserved shipwrecks in jeopardy.
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The Great Lakes’ frigid fresh water used to keep shipwrecks so well preserved that divers could see dishes in the cupboards. Downed planes that spent decades underwater were left so pristine they could practically fly again when archaeologists finally discovered them. "Divers started discovering in the 1960s and 1970s," he said."Some were so preserved they could fly again. when they're removed the planes look like Swiss cheese. literally burning holes in them."
After 30 years of colonization, quaggas have displaced zebra mussels as the dominant mussel in the Great Lakes. Zebras made up more than 98% of mussels in Lake Michigan in 2000, according to the University of California, Riverside’s Center for Invasive Species Research. Five years later, quaggas represented 97.7%.The mussels can burrow into, stacking upon themselves until details such as name plates and carvings are completely obscured.
The plane Lusardi is trying to recover is a Bell P-39 that went down in Lake Huron during a training exercise in 1944, killing Frank H. Moody, a Tuskegee airman. The Tuskegee Airmen were a group of Black military pilots who received training at Tuskegee Army Air Field in Alabama during World War II.historian based in Madison, has spent the last five years searching for the Trinidad, a grain schooner that went down in Lake Michigan in 1881.
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