Williams, Byrd M. (Byrd Moore), IV, 1951-. [Rock formations in the mountains of Northern New Mexico], photograph, May 22, 1982; (https://texashistory.unt.edu/ark:/67531/metadc1928594/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .