Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (61552 total)

Panorama of Kansan section of Peorian loess on Kansan gumbotil shown in Neg. 7441, 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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