Trans canyon Pipeline (Historic) . New trans-canyon waterline on stanchion supports crossing Bright Angel Creek prior to 1966 flood. Circa 1965. NPS

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Photo credit: © Natural History Archive / Alamy / Afripics
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Keywords: america, american, arizona, canyon, coconino, conservation, country, county, grand, history, land, lands, mohave, national, natural, nature, np, park, parks, preserve, public, service, usa, widlife, wilderness