Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (62067 total)

Kansan gumbotil, Lincoln Township, Iowa, June 21, 1925
Kansan gumbotil with Iowan till above, Lincoln Township, Iowa, June 24, 1925
Iowan Drift area topography, Massilon Township, Iowa, July 18, 1925
Topography of Iowan Drift area, Massilon Township, Iowa, July 18, 1925
Kansan gumbotil with Illinoian till above on Miller Farm, Washington Township, Iowa, July 10, 1925
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