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Collection: Calvin Geological Photographs
Browse Items (748 total) for Calvin Geological Photographs
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Left to right, Leverett, Calvin, Chamberlin, Bain, and Udden, Geologists' Conference, Peoria, late 1890s or early 1900s
Lencite porphyry found in Margaret Cave, Ark., late 1890s or early 1900s
Petrology
Lightening flashes in a storm, Fairmont Park, Council Bluffs, Iowa, July 07, 1925
Lime quarry, Cedar Valley, Iowa, late 1890s or early 1900s
Lime quarry, Cedar Valley, Iowa, late 1890s or early 1900s
Limestone cliff, Durango, Iowa, late 1890s or 1900s
Limestone in quarry north of Iron Bridge and Robert's Ferry near where the Interurban crosses the Iowa River, Iowa, late 1890s or early 1900s
Little Brown Church in the Vale, Bradford Congregational Church known as the "Little Brown Church in the Vale" located 2 miles northeast of Nashua, Iowa, July 12, 1924
Loading out burned clay and ballast, Davis City, Iowa, September 1897
Local dip in Devonian limestone on Rapid Creek, Graham Township, Iowa, late 1890s or early 1900s
Located near center of section 20, Graham Twp.
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