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History of meteorite impacts in Iowa
John McGlothlen
Apr. 15, 2010 2:01 pm
Brief one-page version from Iowa Geological Survey/DNR: Meteorites in Iowa's History by Raymond R. Anderson, published in Iowa Geology 1993, No. 18
From Cornell College Geology Professor Emeritus Paul Garvin, author of Iowa Minerals (1998):
Also, The Amana meteorites of February 12, 1875 By Gustavus Detlef Hinrichs (1905):