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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.
Chicago, Milwaukee and St. Paul Railroad cut, Rhodes, Iowa, July 01, 1914

Chicago, Milwaukee and St. Paul Railroad cut, Rhodes, Iowa, July 01, 1914

Located 1 mile East of Rhodes, Rhodes Twp., 78 N., R. 20 W. Section 10.
Loess mantled erosional topography

Loess mantled erosional topography

2 miles Northeast of Foose Lake, Deep Creek Twp., T. 83 N., R. 5 E., section 22
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.
Chicago, Milwaukee and St. Paul Railroad cut, Manning, Iowa, June 10, 1915

Chicago, Milwaukee and St. Paul Railroad cut, Manning, Iowa, June 10, 1915

Located 1.5 miles East of Manning, Warren Twp., section 15, West 1/2.
Chicago, Milwaukee and St. Paul Railroad cut, Manning, Iowa, June 8, 1915

Chicago, Milwaukee and St. Paul Railroad cut, Manning, Iowa, June 8, 1915

Located 1.5 miles West of Manning, North side, Warren Twp., section 18, N.W. quarter.
Chicago, Milwaukee, and St. Paul Railway Company railroad cut, Dedham, Iowa, June 6, 1910

Chicago, Milwaukee, and St. Paul Railway Company railroad cut, Dedham, Iowa, June 6, 1910

Drift exposed in Chicago. Minneapolis. and St. Paul Railway cut, southwest of Rhodes, Iowa, late 1890s or early 1900s

Drift exposed in Chicago. Minneapolis. and St. Paul Railway cut, southwest of Rhodes, Iowa, late 1890s or early 1900s

Topographies of the typical Iowa Drift Plain and the dissected Kansan Drift Plain, west of Washington near Van Horne, Iowa, late 1890s or early 1900s

Topographies of the typical Iowa Drift Plain and the dissected Kansan Drift Plain, west of Washington near Van Horne, Iowa, late 1890s or early 1900s

Topographies of the typical Iowa Drift Plain and the dissected Kansan Drift Plain, south of Waterloo and northwest of Oxford Junction, Iowa, late 1890s or early 1900s

Topographies of the typical Iowa Drift Plain and the dissected Kansan Drift Plain, south of Waterloo and northwest of Oxford Junction, Iowa, late 1890s or early 1900s