High Plains Underground Water Conservation District No. 1 (Tex.). The Cross Section, Volume 12, Number 5, October 1965, periodical, October 1965; (https://texashistory.unt.edu/ark:/67531/metapth1532887/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .