A few months ago, in making some improvements in the roadbed of the Chicago & Northwestern Railroad, a deep cut was made in a hill about three miles west of the city of Toledo, in Tama county, Iowa, where the following section was exposed.
Proceedings of the Iowa Academy of Sciences
©1900 Iowa Academy of Science, Inc.
Savage, T. E.
"Drift Exposure in Tama County,"
Proceedings of the Iowa Academy of Science, 8(1), 275-278.
Available at: https://scholarworks.uni.edu/pias/vol8/iss1/35