archive.org/web/20161023034632/http://www.panoramio.com/user/274867?with_photo_id=63316635 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023214803/http://www.panoramio.com/user/274867?with_photo_id=63316651 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102232849/http://www.panoramio.com/user/274867?with_photo_id=63316684 operator: Panoramio described at URL: https://web.archive...
by Welshmen at the Falls of the Schuylkill in 1734, other settlers were building mills along the Wissahickon Creek and the Falls Creek streams in Pennsylvania...
.jpg){kind=link}
.jpg){kind=link}
