Miller, Keith B., and Ronald R. West. “Reevaluation of Wolfcampian Cyclothems in Northeastern Kansas: Significance of Subaerial Exposure and Flooding Surfaces”. Bulletin (Kansas Geological Survey), no. 235 (April 16, 2024): 1–26. Accessed January 3, 2026. https://journals.ku.edu/kgsbulletin/article/view/20441.