4 "Ficheiro:Hoover_Dam_walls_-_panoramio.jpg".

Ficheiro:Hoover Dam walls - panoramio.jpg

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Ficheiro:Keep off wall - panoramio.jpg

archive.org/web/20161020235322/http://www.panoramio.com/user/341624?with_photo_id=53712702 operator: Panoramio described at URL: https://web.archive...


Ficheiro:Colorado River Nevada - Mineral deposits reside on canyon walls after years of demand on Mead Lake. - panoramio.jpg

archive.org/web/20161013183838/http://www.panoramio.com/user/3187235?with_photo_id=23943548 operator: Panoramio described at URL: https://web.archive...


Ficheiro:Night Lock - panoramio - ---=XEON=---.jpg

photographer author name string: ---=XEON=--- URL: https://web.archive.org/web/20161012172306/http://www.panoramio.com/user/760796?with_photo_id=5511833...