Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (57 total)

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.
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

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.
Hill formed by circumdenudation with base of leveled plain composed of St. Croix overlain by Oneota limestone, Iowa, late 1890s or early 1900s

Hill formed by circumdenudation with base of leveled plain composed of St. Croix overlain by Oneota limestone, Iowa, late 1890s or early 1900s

Located in Twp. 100, R. V. Sec. 34, N. E. Gr.; south side of Oneota River.
Moraine on Wisconsin Drift, Iowa, late 1890s or early 1900s

Moraine on Wisconsin Drift, Iowa, late 1890s or early 1900s

Moraine northwest of Swaledale, Iowa, late 1890s or early 1900s

Moraine northwest of Swaledale, Iowa, late 1890s or early 1900s

Moraine, Iowa, late 1890s or early 1900s

Moraine, Iowa, late 1890s or early 1900s

Forest meets the prairie on William Brook's farm in Brookes Township, Iowa, late 1890s or early 1900s

Forest meets the prairie on William Brook's farm in Brookes Township, Iowa, late 1890s or early 1900s

Branch of erosional lines on the dissected Kansan Drift Plain, Afton, Iowa, early 1890s or late 1900s

Branch of erosional lines on the dissected Kansan Drift Plain, Afton, Iowa, early 1890s or late 1900s

Located southwest of Afton, Iowa.
Characteristic mantles of mature erosion topography on the Iowan Drift Plain, Lawler, Iowa, late 1890s or early 1900s

Characteristic mantles of mature erosion topography on the Iowan Drift Plain, Lawler, Iowa, late 1890s or early 1900s

Located 2 miles west of Lawler, Crane Creek, Stapleton Twp., T 95, N.R. 11, W section 7.
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