Highway 81 Bridge, photograph, February 1931; (https://gateway.okhistory.org/ark:/67531/metadc1473055/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Highway 81 Bridge, photograph, February 1931; (https://gateway.okhistory.org/ark:/67531/metadc1473055/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .