A very prominent outcrop of the Otis limestone occurs along the valley of Indian creek at a point known as Horse Thief Cave, about one-half mile south of the town of Kenwood, Iowa. At this place the exposed beds contain the characteristic Spirifer subumbonus Hall.
Proceedings of the Iowa Academy of Science
©1927 Iowa Academy of Science, Inc.
Dille, Glenn S.
"Notes on the Occurrence of Oolitic Limestone in the Otis Beds of the Devonian, Kenwood, Iowa,"
Proceedings of the Iowa Academy of Science, 34(1), 231-233.
Available at: https://scholarworks.uni.edu/pias/vol34/iss1/58