Product Type
Condition
Binding
Collectible Attributes
Seller Location
Seller Rating
Published by USGS Circ. 836-D, 1979, 43 pp., 1979
Seller: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condition: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-corporate library; very good condition.
Published by USGS Circ. 853-A, 1981, 41 pp., 1981
Seller: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condition: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-corporate library; in very good condition.