E. Goebel, A. Hornbaker, P. Hilpman, and D. Beene, “Oil and Gas Developments in Kansas During 1956”, kgsbulletin, no. 128, pp. 1–250, Jan. 1957, Accessed: Jul. 22, 2024. [Online]. Available: https://journals.ku.edu/kgsbulletin/article/view/22127