High Plains Underground Water Conservation District No. 1 (Tex.). The Cross Section, Volume 10, Number 1, June 1963, periodical, June 1963; (https://texashistory.unt.edu/ark:/67531/metapth1532859/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .