Franseen EK, Sawin RS, Watney WL, West RR, Layzell A, Ludvigson GA. Mississippian Stratigraphic Nomenclature Revisions in Kansas. kgsbulletin. 2018;(264):1-6. Accessed July 27, 2024. https://journals.ku.edu/kgsbulletin/article/view/20360