Des Plaines crater

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Des Plaines is a meteorite crater in Illinois, United States. It is located in the city of Des Plaines, which is a suburb of Chicago.

It is 8 kilometres (5mi) in diameter and the age is estimated to be less than 280 million years (Permian or younger). The crater is buried beneath 75 to 200 feet (23–60 m) of glacial till and can only be seen as a series of faults and deformation in boring logs and seismic surveys.

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Coordinates: 42°3′N, 87°52′W