Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (30 total)

Kansan gumbotil with Iowan till above, gumbotil line marked by cleared area and field bag, Wayne Township, Iowa, July 08, 1924
Kansan gumbotil with Iowan till above, gumbotil line marked by cleared area and field bag, Wayne Township, Iowa, July 08, 1924
Kansan gumbotil with Iowan till above, Lincoln Township, Iowa, June 24, 1925
Kansan gumbotil with Iowan till above, Lincoln Township, Iowa, June 24, 1925
Kansan gumbotil, Lincoln Township, Iowa, June 21, 1925
Kansan gumbotil, Lincoln Township, Iowa, June 21, 1925
Kansan gumbotil, soil, and Iowan till, Wayne Township, Iowa, July 8, 1924
Kansan gumbotil, soil, and Iowan till, Wayne Township, Iowa, July 8, 1924
Kansan section showing Peorian loess on Kansan gumbotil, oxidized and leached till, ox, and unleached till, Oregon Township, Iowa, August 1933
Kansan section showing Peorian loess on Kansan gumbotil, oxidized and leached till, ox, and unleached till, Oregon Township, Iowa, August 1933
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