Calvin Image Database Search

Geology of O'Brien Co., Iowa


Iowan topography in NW Iowa

Photograph details:
Location: U.S., Iowa, O'Brien Co.; Liberty Twp., middle of south line, section 34.

Geologic Age: Pleistocene, Iowan topography.
Photographed by: Earl T. Apfel, 1925. Lantern Slide No. 6168.
Photograph No. 7200


- Larger Image -
Pebble band in Iowan till

Photograph details:
Location: U.S., Iowa, O'Brien Co.; Liberty Twp., west side of section 7.

Geologic Age: Pleistocene, Iowan till.
Photographed by: Earl T. Apfel, July 7, 1925. Lantern Slide No. 6169.
Photograph No. 7201


- Larger Image -
Loess, Iowan Till

Photograph details:
Location: U.S., Iowa, O'Brien Co.; Loveland, near the middle of the line betwen section 4 and 9, Carroll Twp..

Geologic Age: Pleistocene, Iowan Till.
Photographed by: Earl T. Apfel, 1925. Lantern Slide No. 6171.
Photograph No. 7202


- Larger Image -
Piled up outwash of gravels

Photograph details:
Location: U.S., Iowa, O'Brien Co.; Calumet, 1/2 mile NW. of, Liberty Twp., middle of N.W. 1/4, section 22.


Photographed by: Earl T. Apfel, July 7, 1925. Lantern Slide No. 6173.
Photograph No. 7203


- Larger Image -
Piled up outwash of gravels

Photograph details:
Location: U.S., Iowa, O'Brien Co.; Calumet, 1/2 mile NW. of, Liberty Twp., middle of N.W. 1/4, section 22.


Photographed by: Earl T. Apfel, July 7, 1925. Lantern Slide No. 6175.
Photograph No. 7203


- Larger Image -


Any additional plates from the Calvin Collection are listed below.
These will be added to the database in due course, but if you are interested in seeing them in advance, please contact Tiffany Adrain.



Return to: