Stramel, C. J., Charles W. Lane, and Warren C. Hodson. “Geology and Ground-Water Hydrology of the Ingalls Area, Kansas”. Bulletin (Kansas Geological Survey), no. 132 (January 1, 1958): 1–152. Accessed December 30, 2025. https://journals.ku.edu/kgsbulletin/article/view/20567.