Tuff Pile 1 -- A justification of the projection of material properties within a portion of Los Alamos Test Areas 1, 3, 4 and 7 -- Nevada Test Site, report, June 1, 1997; (https://digital.library.unt.edu/ark:/67531/metadc678094/m1/1/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .