Haleakala National Park, photograph, March 1978; (https://gateway.okhistory.org/ark:/67531/metadc1725145/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Haleakala National Park, photograph, March 1978; (https://gateway.okhistory.org/ark:/67531/metadc1725145/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .