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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.

North Liberty plain (Iowan Drift Sheet) along the Interurban near Stalwart Station, North Liberty, Iowa, late 1890s or early 1900s

Flat Iowan drift plain in foreground and Loess mantled Kansan drift in the background, North Liberty, Iowa, August 1933

Located northeast of North Liberty, center of section 1, Penn Twp.

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

Located in Massilon Twp. middle of section 33.

Topography of Iowan Drift area, Massilon Township, Iowa, July 18, 1925

Located in Massilon Twp., sections 29 and 32.

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.

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, Spring Rock Township, Iowa, June 18, 1925

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

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.

North Liberty plain (Iowan Drift Sheet) along the Interurban near Stalwart Station, North Liberty, Iowa, late 1890s or early 1900s

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