Photogravure by Unknown, [no date] of a Print Published by Daniel Appleton and Company of the Delaware Water Gap, originally titled “Distant View of the Gap,”, [1872], [no date], gsm_0821. Wilkes University Archives.

Photogravure by Unknown, [no date] of a Print Published by Daniel Appleton and Company of the Delaware Water Gap, originally titled “Distant View of the Gap,”, [1872], [no date], gsm_0821. Wilkes University Archives. https://archivepublic.wilkes.edu/repositories/2/digital_objects/7578 Accessed January 21, 2026.