Goebel, Timothy S., John E. Stout, and Robert J. Lascano. “Seasonal Changes of Groundwater Quality in the Ogallala Aquifer”. Texas Water Journal 9, no. 1 (June 20, 2018): 69–81. Accessed May 2, 2024. https://twj-ojs-tdl.tdl.org/twj/article/view/7067.