Editore: United States Geological Survey., 1989
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. ORIGINAL USGS Open-File Report; owner's stamp; three-hole punched and w/ metal binding; small creases at lower corners of a few leaves, some corrections in pagination in pencil, o/w in very good condition. Journal.