WBAP-TV (Television station : Fort Worth, Tex.). [News Script: Chopper crash], script, August 11, 1972, 6:30 a.m.; (https://texashistory.unt.edu/ark:/67531/metadc1548552/m1/1/: accessed June 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .