The object of this paper is to make accessible quantitative data on the magnitude of the Mississippian- Pennsylvanian and Pennsylvanian-Pleistocene unconformities in south-central Iowa. This data is here presented by permission of the State Geologist, Dr. G. F. Kay.
Proceedings of the Iowa Academy of Science
©1925 Iowa Academy of Science, Inc.
Lugn, A. L.
"The Mississippian-Pennsylvanian and Pennsylvanian-Pleistocene Unconformities in Lucas County, Iowa,"
Proceedings of the Iowa Academy of Science, 32(1), 351-356.
Available at: https://scholarworks.uni.edu/pias/vol32/iss1/61