archive.org/web/20161023182815/http://www.panoramio.com/user/593016?with_photo_id=60140906 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161012081244/http://www.panoramio.com/user/1190398?with_photo_id=15062454 operator: Panoramio described at URL: https://web.archive...
Fort St. Davids was established by Welshmen at the Falls of the Schuylkill in 1734, other settlers were building mills along the Wissahickon Creek and...
archive.org/web/20161102075639/http://www.panoramio.com/user/3381104?with_photo_id=30205157 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014030216/http://www.panoramio.com/user/1288867?with_photo_id=26907257 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/256932?with_photo_id=5833027 operator: Panoramio described at URL: https://web.archive.org/web/20161010231031/http://www.panoramio...
archive.org/web/20161029011148/http://www.panoramio.com/user/7264373?with_photo_id=96137578 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013230446/http://www.panoramio.com/user/1288867?with_photo_id=26907352 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114143349/http://www.panoramio.com/photo/42266276...
archive.org/web/20161029051143/http://www.panoramio.com/user/7264373?with_photo_id=96137591 operator: Panoramio described at URL: https://web.archive...
