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

Located in Massilon Twp. middle of section 33.

Wind-polished boulder west of Stanwood, Iowa, July 2, 1925

Kansan gumbotil with Iowan till above, Lincoln Township, Iowa, June 24, 1925

Located in Lincoln Twp. south of line between sections 34 and 35.

Kansan gumbotil, Lincoln Township, Iowa, June 21, 1925

Located in Lincoln Twp., SW 1/4, section 11.

Lightening flashes in a storm, Fairmont Park, Council Bluffs, Iowa, July 07, 1925

Core of till, mantled with loess, looking south across Anamosa, Wyoming Road, Anamosa, Iowa, July 8, 1924

Located just South of Jackson Twp., Section 24 (Primary 6).

Loess and Iowan till, Windsor Township, Iowa, July 10, 1924

Located in Windsor Twp., Section 16. Looking south middle of north line of northeast 1/4.

Pebble band on Iowan till, Fremont Township, Iowa, July 8, 1924

Located in the middle of line between Sections 1 and 2 in Fremont Township.

Covered with Kansan till, Osceloa Township, Iowa, late June 29, 1924

Located in Osceola Twp. in the north half of NE quarter, Section 21.

Pebble band on Iowan till, Fremont Township, Iowa, July 8, 1924

Located in the middle of line between Sections 1 and 2 in Fremont Township.

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