[Maintenance Workers and Plane], photograph, [1970..1990]; (https://texashistory.unt.edu/ark:/67531/metapth389206/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Maintenance Workers and Plane], photograph, [1970..1990]; (https://texashistory.unt.edu/ark:/67531/metapth389206/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .