Browse Items (748 total) for Calvin Geological Photographs

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Steamboat Rock at "Devil's Backbone", Dundee, Iowa, late 1890s or early 1900s

Man standing at top of waterfall in Devil's Den, Iowa, late 1890's or early 1900s

"Devil's Den" located at Twp. 99, R. V, Section 19, N.W. gr., N.E. 1/4, N.E. corner.

Roping a calf in the Payne and Arnold's corral near Minnekahta, Minn., late 1890s or early 1900s

East wall of "The Mound", north of Luverne, Minn., late 1890s or early 1900s

Iowan Drift area topography, Spring Rock Township, Iowa, June 18, 1925

Located in Spring Rock Twp. on the middle of line between sections 6 and 7.

Kansan topography, Welton Township, Iowa, June 18, 1925

Located in the middle of section 4 of Welton Township.

Two tills and two loesses, Iowa, June 18, 1925

Located in the west of corner of sections 20, 21, 28, and 29.

Iowan Drift area topography, Boulder Township, Iowa, June 19, 1925

Located in Boulder Twp., corner of sections 1, 2, 11, and 12.

Iowan Drift area topography, Hazel Green Township, Iowa, June 19, 1925

Located in the south part of line between sections 28 and 29 in Hazel Green township.

Boulder field in Iowan area, Williamstown, Iowa, June 19, 1926

Located 3/4 mile South of Williamstown, East side of road, near middle of line between sections 13, Richland Twp., and 18, Dresden Twp.

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