Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (57 total)

Illinoian gumbotil plain, Fort Madison, Iowa, June 21, 1924

Illinoian gumbotil plain, Fort Madison, Iowa, June 21, 1924

Located in Washington Twp., S.E. quarter Section 33. Photographed from the edge of bluffs above Fort Madison.
Top picture: Dodgeville peneplain at an elevation of 1260 ft., Asbury, Iowa, 1920s. Bottom picture: Lancaster peneplain northeast of Waukon, Iowa, 1920s

Top picture: Dodgeville peneplain at an elevation of 1260 ft., Asbury, Iowa, 1920s. Bottom picture: Lancaster peneplain northeast of Waukon, Iowa, 1920s

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

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

Located in Boulder Twp., corner of sections 1, 2, 11, and 12.
Kansan gumbotil with Iowa topography in the background, Massilon Township, Iowa, July 18, 1925

Kansan gumbotil with Iowa topography in the background, Massilon Township, Iowa, July 18, 1925

Located in Massilon Twp. sections 30 and 31.
Iowan Drift area topography, Massilon Township, Iowa, July 18, 1925

Iowan Drift area topography, Massilon Township, Iowa, July 18, 1925

Located in Massilon Twp. middle of section 33.
Illinoian gumbotil plain, Fort Madison, Iowa, June 21, 1924

Illinoian gumbotil plain, Fort Madison, Iowa, June 21, 1924

Located in Washington Twp., S.E. quarter Section 33. Photographed from the edge of bluffs above Fort Madison.
Top picture: Dodgeville peneplain at an elevation of 1260 ft., Asbury, Iowa, 1920s. Bottom picture: Lancaster peneplain northeast of Waukon, Iowa, 1920s

Top picture: Dodgeville peneplain at an elevation of 1260 ft., Asbury, Iowa, 1920s. Bottom picture: Lancaster peneplain northeast of Waukon, Iowa, 1920s

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

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

Located in Boulder Twp., corner of sections 1, 2, 11, and 12.
Kansan gumbotil with Iowa topography in the background, Massilon Township, Iowa, July 18, 1925

Kansan gumbotil with Iowa topography in the background, Massilon Township, Iowa, July 18, 1925

Located in Massilon Twp. sections 30 and 31.
Iowan Drift area topography, Massilon Township, Iowa, July 18, 1925

Iowan Drift area topography, Massilon Township, Iowa, July 18, 1925

Located in Massilon Twp. middle of section 33.
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