Berger, Thomas J.; Hamilton, Peter; Singer, James J.; Waddell, Evans; Churchill, James H.; Leben, Robert R. et al. DeSoto Canyon Eddy Intrusion Study, Final Report: Volume 1: Executive Summary, text, November 2000; (https://digital.library.unt.edu/ark:/67531/metadc955879/m1/1/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .