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.
Photograph No: 7211. Nebraskan till and gumbotil.
Location: U.S., Iowa, Wayne Co.; Clay Twp., near middle of E 1/2 section 19.
Geologic Age: Pleistocene, Nebraskan till and gumbotil.
Photographed by: Earl T. Apfel, June 28, 1925.