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Collection: Calvin Geological Photographs
Browse Items (748 total) for Calvin Geological Photographs
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Old Engineering Shops, Interior View
Old Engineering Shops at the corner of Madison and Washington Streets on the University of Iowa campus, Iowa City
Old Faithful,Yellowstone National Park, late 1890s or early 1900s
Old green shales bed of the Lower Trenton with natural size Orthis Dlamanella,subeauata, con. and Orthis Tricenaria con, Waukon, Iowa, late 1890s or early 1900s
Old Homeopathic Hospital Interior
Old Homeopathic Hospital at the corner of Jefferson and Dubuque Streets, on the University of Iowa campus, Iowa City
Old Mill, Vernon Springs, Iowa, late 1890s or early 1900s
Old Science Hall, in old postition, from the southwest
Old Science Hall on the University of Iowa campus, Iowa City. Photograph taken in fall.
Oneota Limestone as a building stone, Eitzen, Minn., late 1890s or early 1900s
Located near north line of Allamakee Co.
Oneota Limestone near Upper Iowa or Oneota River, Iowa, late 1890s or early 1900s
Located in Twp. 99, VI, Section 21.
Oneota River and bluff of Devonian dolomite, above bridge at Forreston, Iowa, late 1890s or early 1900s
Oneota River near Bluffton, Iowa, late 1890s or early 1900s.