Thomas, J. V., A. P. Teeple, J. D. Payne, and S. J. Ikard. “A Refined Hydrogeologic Framework Model for Gaines, Terry, and Yoakum Counties, Texas”. Texas Water Journal, vol. 10, no. 1, Jan. 2019, pp. 1-21, doi:10.21423/twj.v10i1.7082.