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No. 72: Nov-Dec 1990

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Impact Crater Beneath Lake Huron

"With the help of magnetic sensors, scientists have detected a rimmed circular structure, 30 miles in diameter, more than a mile beneath the floor of Lake Huron. They believe the magnetic ring marks a buried crater -- blasted by a meteorite at least 500 million years ago."

(Stolzenburg, W.; "Impact Crater May Lie beneath Lake Huron," Science News, 138:133, 1990.)

Reference. Many other impact craters are cataloged in section ESC in our catalog: Carolina Bays, Mima Mounds. Details on this book here.

From Science Frontiers #72, NOV-DEC 1990. � 1990-2000 William R. Corliss