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Helicopter survey of Lake Michigan's sand to begin

(Photo: MGN)

CHICAGO (AP) -- Geologists in Illinois are launching a helicopter survey of sand in Lake Michigan in the Chicago area.

The Chicago Tribune reports that beginning as early as Wednesday, a low-flying helicopter hauling what appears to be a giant, mechanical Hula-Hoop will be carrying a large electromagnetic array from Kenosha to the Illinois-Indiana state line.

The Illinois State Geological Survey hopes to figure out where the lake's sand has gone. Illinois Department of Natural Resources' Coastal Management Program director Diane Tecic says there's not enough sand in some areas and too much sand in other spots.

Equipment on the helicopter will diagram the landscape of the lake floor by using electromagnetic signals. Researchers will be able to get a clearer picture of the lake's profile and better understand its composition.

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