Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (14 total)

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

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

Located in Osceola Twp. in the north half of NE quarter, Section 21.
Covered with Kansan till, Osceloa Township, Iowa, late June 29, 1924

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

Located in Osceola Twp. in the north half of NE quarter, Section 21.
George F. Kay, Frank Leverett, and Paul MacClintock in the field at the Nebraskan gumbotil outcrop 4 miles northeast of Ricketts, Iowa, July 1925

George F. Kay, Frank Leverett, and Paul MacClintock in the field at the Nebraskan gumbotil outcrop 4 miles northeast of Ricketts, Iowa, July 1925

George F. Kay, Frank Leverett, and Paul MacClintock in the field at the Nebraskan gumbotil outcrop 4 miles northeast of Ricketts, Iowa, July 1925

George F. Kay, Frank Leverett, and Paul MacClintock in the field at the Nebraskan gumbotil outcrop 4 miles northeast of Ricketts, Iowa, July 1925

Map of Iowa marked with location of Nebraskan gumbotil outcrops, Iowa, late 1890s or early 1900s

Map of Iowa marked with location of Nebraskan gumbotil outcrops, Iowa, late 1890s or early 1900s

Map of Iowa marked with location of Nebraskan gumbotil outcrops, Iowa, late 1890s or early 1900s

Map of Iowa marked with location of Nebraskan gumbotil outcrops, Iowa, late 1890s or early 1900s

Map of Iowa with triangles marking the localtions of Nebraskan gumbotil and crosses marking Kansan gumbotil locations, Iowa, late 1890s or early 1900s

Map of Iowa with triangles marking the localtions of Nebraskan gumbotil and crosses marking Kansan gumbotil locations, Iowa, late 1890s or early 1900s

Map of Iowa with triangles marking the localtions of Nebraskan gumbotil and crosses marking Kansan gumbotil locations, Iowa, late 1890s or early 1900s

Map of Iowa with triangles marking the localtions of Nebraskan gumbotil and crosses marking Kansan gumbotil locations, Iowa, late 1890s or early 1900s

Nebraskan gumbotil with till above (Kansan) and till below, concretions below and pebbles above mark the gumbotil, Poe Township, Iowa, July 25, 1924

Nebraskan gumbotil with till above (Kansan) and till below, concretions below and pebbles above mark the gumbotil, Poe Township, Iowa, July 25, 1924

Located in Poe Twp., looking north just east of Sections 2, 3, 10, 11.
Nebraskan gumbotil with till above (Kansan) and till below, concretions below and pebbles above mark the gumbotil, Poe Township, Iowa, July 25, 1924

Nebraskan gumbotil with till above (Kansan) and till below, concretions below and pebbles above mark the gumbotil, Poe Township, Iowa, July 25, 1924

Located in Poe Twp., looking north just east of Sections 2, 3, 10, 11.
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