Lake Travis News (Austin, Tex.), Vol. 4, No. 8, Ed. 1 Saturday, June 10, 1972, newspaper, June 10, 1972; (https://texashistory.unt.edu/ark:/67531/metapth1297732/m1/1/: accessed June 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .