Great Salt Plains State Park, photograph, October 5, 2000; (https://gateway.okhistory.org/ark:/67531/metadc1654656/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Great Salt Plains State Park, photograph, October 5, 2000; (https://gateway.okhistory.org/ark:/67531/metadc1654656/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .