Chronostratigraphic elements of the Precambrian rocks of the southwestern and far western United States [abs.]

Silver, L.T., Anderson, C.A., Crittenden, M., and Robertson, J.M., 1977, Chronostratigraphic elements of the Precambrian rocks of the southwestern and far western United States [abs.]: Geological Society of America Abstracts with Programs, v. 9, no. 7, p. 1176.