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Collection: Calvin Geological Photographs
Browse Items (748 total) for Calvin Geological Photographs
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Thin bedded Niagara and flagstone beds of Syringopora tenella zones in the upper cliffs, Jefferson Township, Balltown, Iowa, late 1890s or early 1900s
Cliffs, Clay Mill, Iowa, late 1890s or early 1900s
Photograph taken from Mill.
Homeopathic Medical Hospital, Summer
Hospital, on corner of Jefferson and Dubuque Streets. University of Iowa campus, Iowa City
Old Science Hall, in old postition, from the southwest
Old Science Hall on the University of Iowa campus, Iowa City. Photograph taken in fall.
West wall of "Devil's Backbone" canyon, Dundee, Iowa, late 1890s or early 1900s
Left to right, Leverett, Calvin, Chamberlin, Bain, and Udden, Geologists' Conference, Peoria, late 1890s or early 1900s
Dredge on Fraser River, Colorado, late 1890s or early 1900s
People near cabin at ballast burning camp, Maxon, Iowa, late 1890s or early 1900s
Loading out burned clay and ballast, Davis City, Iowa, September 1897
Men on railroad cars near Iowa Ballast and Construction Co., Maxon, Iowa, late 1890s or early 1900s
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