E. K. Franseen, R. S. Sawin, W. L. Watney, R. R. West, A. Layzell, and G. A. Ludvigson, “Mississippian Stratigraphic Nomenclature Revisions in Kansas”, kgsbulletin, no. 264, pp. 1–6, Jan. 2018, Accessed: Jul. 27, 2024. [Online]. Available: https://journals.ku.edu/kgsbulletin/article/view/20360