Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (62093 total)

Kansan gumbotil with Iowan till above, gumbotil line marked by cleared area and field bag, Wayne Township, Iowa, July 08, 1924
Relief in Kansan plain along tributary to Whitebreast Creek, Whitebreast Township, Iowa, June 29, 1924
Cracked gumbotil and contact with loess above, Iowa, July 25, 1924
Crumbling granite boulders, English Township, Iowa, June 30, 1924
Iowan till over Kansan gumbotil, soil on top of the gumbotil, Wayne Township, Iowa, July 8, 1924
Erosion in till and loess, Cass Township, Iowa, July 18, 1924
Dean G.F. Kay's car, after wind storm
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