Breed, W.J., Danson, E.B., Johnsen, A.B., Johnsen, T.N., Jr., and Reed, E.K., 1965, Day 4--September 8, in Schultz, C.B., and Smith, H.T.U., eds., Southwestern arid lands; INQUA, International Association for Quaternary Research, 7th Congress, Guidebook for Field Conference H: Lincoln, Nebraska Academy of Sciences, p. 31-36.