Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (61552 total)

Kansan topography, Welton Township, Iowa, June 18, 1925
Two tills and two loesses, Iowa, June 18, 1925
Iowan Drift area topography, Boulder Township, Iowa, June 19, 1925
Iowan Drift area topography, Hazel Green Township, Iowa, June 19, 1925
Boulder field in Iowan area, Williamstown, Iowa, June 19, 1926
Men on pile of boulders, Forest City township, Iowa, July 4, 1925
Gravels and till, Cherokee Township, Iowa, 1925
Iowan topography in northwest Iowa, Liberty Township, Iowa, 1925
Pebble band in Iowan till, Liberty Township, Iowa, July 4, 1925
Loess and  Iowan till, Loveland, Iowa, 1925
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