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Collection: Calvin Geological Photographs
Browse Items (748 total) for Calvin Geological Photographs
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Top works of Platt Mine, Iowa, late 1890s or early 1900s
Geology Laboratory, north room, Old Science Hall, The University of Iowa, late 1890s or early 1900s
Valley of Little Sioux River north of Fox Creek, Iowa, late 1890s or early 1900s
Boulder of Iowan age, near the southeast corner of the park, Nora Springs, Iowa, late 1890s or early 1900s
Men and boys surrounding “Jumbo” artesian well, Belle Plaine, Iowa, late 1890s or early 1900s
Artesian well/Jumbo well, 3 ft in diameter at surface, 195 deep through fine sand and blue clay. Bored with 2 inch drill. Water broke out. pressure 35 lbs to sq in.
Kames, Thornton, Iowa, late 1890s or early 1900s
Located northwest of Thornton.
Terrace of Wisconsin age near Lansing, Iowa, late 1890s or early 1900s
Child near boulder in field, Newton Township, Iowa, late 1890s or early 1900s
Illinoian boulders, late 1890s or early 1900s
Granite boulder belonging to Iowan Drift, Mason City, Iowa, late 1890s or early 1900s
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