Grand Canyon Historic River Trail Construction c . CCC CAMP 818 - PHANTOM RANCH - BLASTING THE RIVER TRAIL FROM A DISTANCE. CAN WALLS. CIRCA 1935. PURVIS,

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Keywords: america, american, archive, arizona, canyon, coconino, conservation, construction, country, county, grand, historic, history, land, lands, mohave, national, natural, nature, np, park, parks, preserve, public, service, usa, widlife, wilderness