Enga Swamp Basin Investigation, 1981: Geological Survey of Papua New Guinea
Port Moresby, Papua: Geological Survey of Papua New Guinea, 1982. First Printing. Wraps. 12 x 9 inches, softcover with white plastic comb binding, very good, light wear, gentle crease to front cover. Various paginations, probably about 100 pp. in total, with 3 pockets at rear containing a total of 9.....

