English operator: Panoramio described at URL: https://web.archive.org/web/20161015084220/http://www.panoramio.com/photo/34264501...
archive.org/web/20161031112425/http://www.panoramio.com/user/2184098?with_photo_id=129630583 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031190144/http://www.panoramio.com/photo/121445071...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103103335/http://www.panoramio.com/photo/132005556 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031075940/http://www.panoramio.com/photo/129630574 determination method...
the Merrimac Bridge (133869357).jpg English: Freight train crossing the Merrimac Bridge. Date Taken on 28 September 2016 Source https://www.panoramio.com/photo/133869357...
archive.org/web/20161103092453/http://www.panoramio.com/user/2184098?with_photo_id=133869343 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103104353/http://www.panoramio.com/user/2184098?with_photo_id=133869300 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103153147/http://www.panoramio.com/user/2184098?with_photo_id=133869334 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103044444/http://www.panoramio.com/user/2184098?with_photo_id=133869261 operator: Panoramio described at URL: https://web.archive...