Garfield Heights Till (OH*)
(Not formally defined, but unit is well described in several references and correlated with well-known, formal tills. Considered formal by the USGS.)
Quaternary*
Pleistocene*
Illinoian*
Exposures in gravel pit along the valley of Mill Creek in Garfield Heights, OH.
Appalachian basin*
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Asterisk (*) indicates published by U.S. Geological Survey authors.
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