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.

Apfel, Earl Taylor, 1892-

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

University of Iowa. Dept. of Geoscience. Paleontology Repository

Contact Tiffany Adrain (tiffany-adrain@uiowa.edu) at The University of Iowa Paleontology Repository http://www.uiowa.edu/~geology/paleo

1924-07-25

2006-03-02

This digital image may be used for educational purposes, as long as it is not altered in any way. No commercial reproduction or distribution of this file is permitted without permission.

Calvin Geological Photographs

This digital collection contains the geology-related images originally digitized for the Dept. of Geosciences' Calvin web exhibit: http://www.uiowa.edu/~calvin/calvin.htm . Calvin's images of Iowa City can be viewed in the Iowa City Town and Campus Scenes Digital Collection: http://digital.lib.uiowa.edu/ictcs

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Photographs; Dry collodion negatives

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https://digital.lib.uiowa.edu/