Regional Water Plan: Region A (Panhandle), 2016, Volume 1. Main Report
Regional Water Plan: Region A (Panhandle), 2016, Volume 1. Main Report, report, November 17, 2015; Amarillo, Texas. (https://texashistory.unt.edu/ark:/67531/metapth839031/: accessed June 5, 2020), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.