Editore: USGS, 1987, 8 Pp., 1987
Da: Eryops Books, Stephenville, TX, U.S.A.
Pamphlet; minor shelfwear; o/w in very good condition.
Editore: USGS, 1988, 14 Pp., 1988
Da: Eryops Books, Stephenville, TX, U.S.A.
Pamphlet; no covers; minor shelfwear; o/w in very good condition.
Editore: United States Geological Survey., 1974
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Large folded sheet showing map coverage and with bibliography/references cited; ex-corporate library; in very good condition. Map.
Editore: United States Geological Survey., 1987
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Nine folded sheets including base maps and references; in very good condition. Index.
Editore: United States Geological Survey., 1986
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Five folded sheets including base maps and bibliography/references cited; in very good condition. Map.
Editore: United States Geological Survey., 1985
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Eight folded sheets including base maps and bibliography/references cited; in very good condition. Map.
Editore: United States Geological Survey., 1985
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Five folded sheets in printed envelope, including 4 base maps and history of mapping/references; in very good condition. Map.
Editore: United States Geological Survey., 1989
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Seven (7) Large folded sheets in printed envelope; ex-corporate library; in very good condition. Map.