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Collection: Calvin Geological Photographs
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Loess mantled erosional topography
2 miles Northeast of Foose Lake, Deep Creek Twp., T. 83 N., R. 5 E., section 22
Chicago, Milwaukee and St. Paul Railroad cut, Rhodes, Iowa, July 01, 1914
Located 1 mile East of Rhodes, Rhodes Twp., 78 N., R. 20 W. Section 10.
Branch of erosional lines on the dissected Kansan Drift Plain, Afton, Iowa, early 1890s or late 1900s
Located southwest of Afton, Iowa.
Dr. T.C. Chamberlin, The University of Iowa, late 1890s or early 1900s
Dr. W. S. Williston, American Geologist, The University of Iowa, late 1890s or early 1900s
Pleistocene Fauna, horse teeth, Iowa, late 1890s or early 1900s
Pleistocene Fauna, loess fossils, late 1890s or early 1900s
Complete ideal section of the Nebraskan and Kansan Drifts, 1925
Pleistocene Fauna, Mammut americanum, common Pleistocene mastodon, side view of 6th molar(2/3 natural size), Cox Pit, Missouri Valley, Iowa, late 1890s or early 1900s
Pleistocene Fauna, Neo-hipparion foot bone, camel foot bones and a camel tooth, late 1890s or early 1900s
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