archive.org/web/20161020115010/http://www.panoramio.com/user/6707551?with_photo_id=67077749 operator: Panoramio described at URL: https://web.archive...
Thames Tide Recorder English operator: Panoramio described at URL: https://web.archive.org/web/20161028044806/http://www.panoramio.com/photo/100808917...
archive.org/web/20161023150536/http://www.panoramio.com/user/1038849?with_photo_id=62679652 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029215953/http://www.panoramio.com/photo/100808927...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030023430/http://www.panoramio.com/photo/100807397...
archive.org/web/20161023201728/http://www.panoramio.com/user/1038849?with_photo_id=62679680 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011104438/http://www.panoramio.com/photo/6991722...
archive.org/web/20161019143302/http://www.panoramio.com/user/6707551?with_photo_id=67074576 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031221927/http://www.panoramio.com/user/6212428?with_photo_id=121164753 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030112823/http://www.panoramio.com/photo/100807495 determination method...