[Davis Mountains in Big Bend], photograph, 1969; (https://texashistory.unt.edu/ark:/67531/metapth39629/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Davis Mountains in Big Bend], photograph, 1969; (https://texashistory.unt.edu/ark:/67531/metapth39629/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .