Evans, Roy B.; Luft, Amy Adams; Martin, Don; Morris, Randall C.; Reynolds, Timothy D.; Warren, Ronald W. et al. Waste Isolation Pilot Plant 1999 Site Environmental Report, report, September 2000; (https://digital.library.unt.edu/ark:/67531/metadc737575/m1/1/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .