Grand Canyon Historic Bass Trails . WILLIAM BASS HAULING CABIN MAKINGS ON BURROS DOWN HIS TRAIL. JUST BELOW THE ESPLANADE. CIRCA 1906. KOLB BROS.

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