Editore: U. S. Geological Survey Circular 324, 1954, 22 Pp., 1954
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. Softcovers; staple-bound; ex-corporate library; minor shelfwear w/ light creasing of corners of wraps and leaves; o/w in very good condition.