Map size: 18 inches x 24 inches | Ready to frame in standard size frame | Frame not included | Archival quality reproduction

Summary: "Note: Submitted for correction to J.P. Lesley .. Geological Survey of Pennsylvania." "Entered according to act of Congress .. 1857 by Charles Desilver .. Eastern District of Pennsylvania." Includes stratigraphic table and geological cross-sections. Copy shellacked, cracked, missing small internal section, mounted on cloth backing, quartered, and rubber-stamped. Vault Created / Published: Philadelphia: Charles Desilver, 1857,