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Collection: Calvin Geological Photographs
Browse Items (748 total) for Calvin Geological Photographs
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Graduation, President with arm raised (No. 34)
Graduation speech, Iowa City
Graduation, The President of the University of Iowa (No. 35)
Graduation speech, Iowa City
Granite boulder belonging to Iowan Drift, Mason City, Iowa, late 1890s or early 1900s
Granite boulder, 24x21x10 feet, Union Township, Iowa, June 20, 1924
Located in Union Twp., Section 23, south half of S.E. quarter.
Gravel pit with stratification in gravels, east side of Afton Junction, Iowa, late 1890s or early 1900s
Gravels and till, Cherokee Township, Iowa, 1925
Located 2 miles North of Cherokee, East 1/2 section 11, Cherokee Twp.
Gravels in till, north of Afton, Iowa, 1925
Located north of Afton, East side of Primary Road 15, middle of the West 1/4 of the NE 1/4 of section 16, Union Twp.
Grindewald Glacier, Alps, late 1890s or early 1900s
Group at base of bluff called "Devil's Backbone," Dundee, Iowa, late 1890s or early 1900s
Group in petrified forest, Ariz., late 1890s or early 1900s
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