The literature concerning the Pleistocene deposits of Iowa does not mention the presence of a loess sheet younger than the Loveland loess and older than the Iowan loess. The writer is of the opinion that such a loess exists in Iowa. The following evidence is presented to substantiate this conclusion. During the summer of 1948 the writer was engaged in a study of the Loveland formation of Iowa under the auspices of the Iowa Geological Survey. During the course of this investigation the presence of a post-Loveland and pre-Iowan loess was revealed in two exposures
Proceedings of the Iowa Academy of Science
©1950 Iowa Academy of Science, Inc.
Mickelson, John C.
"A Post-Loveland Pre-Iowan Loess in Western Iowa,"
Proceedings of the Iowa Academy of Science, 57(1), 267-269.
Available at: https://scholarworks.uni.edu/pias/vol57/iss1/32