Hedke, Dennis E., I. Wayne Woolsey, and L. A. Nicholson. “Exploration Case History, Coats South Area, Barber County, Kansas”. Bulletin (Kansas Geological Survey), no. 237 (April 16, 2024): 132–137. Accessed July 3, 2024. https://journals.ku.edu/kgsbulletin/article/view/20435.