[Army Helicopter on a Field], photograph, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth64013/m1/1/: accessed May 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Army Helicopter on a Field], photograph, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth64013/m1/1/: accessed May 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .