[News Script: Pollution], script, 1971-08-18T24:00:00; (https://texashistory.unt.edu/ark:/67531/metadc1433745/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[News Script: Pollution], script, 1971-08-18T24:00:00; (https://texashistory.unt.edu/ark:/67531/metadc1433745/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .