Editore: United States Government Printing Office, 1957
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Condizione: Good. ORIGINAL 1957 PUBLICATION; missing rear pocket but the three large folded plates are present (COMPLETE for this publication); softcover; ex-library; three - hole punched; spine reinforced with tape; otherwise contents are in very good condition. Book.
Editore: United States Geological Survey/USGS/Government Printing Office/GPO, Washington, DC, 1957
Da: Robert Gavora, Fine & Rare Books, ABAA, Talent, OR, U.S.A.
Soft cover. Condizione: Near Fine. Pages 41 through 98 with map, tables, references and index, plus the three folded plates in the rear pocket. Bound in original orange stiff paper covers printed in black. A near fine copy. Book.