Editore: The Geological Society Of America, 1951
Da: 12th Street Books, ABAA, Austin, TX, U.S.A.
Paperback. Interior clean but for ink underlining, paper wraps show small ink name front wrap, moderate wear to spine and edges. "Bulletin of the Geological Society of America, Vol.62, pp. 1017-1078, 1951". 8vo.