prepared under the direction of the Committee on Tectonics, Division of Geology and Geography, National Research Council ; (material compiled by the several committee members, and finally arranged for printing by Philip B. King) ; drafted by L.W. Pusey and P.L. Mattox
field trip leaders: Bruce C. Miller [and others] ; authors: Sam L. Evans [and others] ; compiled and edited by Charles I. Smith ; field trip chairman: James O. Jones