An Engraving by George B. Ellis entitled, “Delaware Gap, Near Easton, Pa.,” From a Drawing by Thomas Doughty, 1826, gsm_0628. Wilkes University Archives.

An Engraving by George B. Ellis entitled, “Delaware Gap, Near Easton, Pa.,” From a Drawing by Thomas Doughty, 1826, gsm_0628. Wilkes University Archives. https://archivepublic.wilkes.edu/repositories/2/digital_objects/7387 Accessed August 22, 2026.