584. North Carolina. Report of the Geological Survey. Vol. 1. By W. C. Kerr. 445 pp., large map, 8 plates. Very rare. Raleigh, 1875.$4.50
585. North Carolina. Same. Lacks Map, but Has the Valuable Illus. papers, by Conrad and Cope.$2.75
586. Ohio, State of. Report of Special Committee, on Best Method of obtaining a complete Geological Survey. 18 pp., stitched, uncut, 2 maps (one folding), very rare. Columbus, 1836.$2.00
587. Ohio. Geol. Survey. Odd Vols.$1.00 to $3.00
588. Pacific Railroad. Swallow, G. C. Geological Rept. of the Country along the Line of the S. W. Branch of the Pacific Railroad, State of Missouri. To which is prefixed a Memoir of the Pacific Railroad. 2 plates, 95 pp., very rare. St. Louis, 1859.$2.75
589. Pennsylvania. Geological Survey of. Second Annual Report. By Henry D. Rogers. 12mo, paper. Harrisburg, 1838.75c.
590. Pennsylvania. Same. Third Report, 1839.90c.
591. Pennsylvania. Same. Fourth Report, 1840.$1.75
592. Pennsylvania. Same. 1st To 4th Reports, Inclus. in 1 Vol. Half calf. The first Report is very scarce. Harrisburg, 1836-40.$4.00
593. Pennsylvania. Rogers, H. D. Geology of Pennsylvania, with a General View of the Geology of the U. S. 4to, cloth, 2 vols., bound in three. Illus. by sections, maps and plates, colored. N. York, 1868.$4.00