Grand Canyon Powell Expedition PORTRAIT OF JOHN WESLEY POWELL (AGE 57) ON HORSEBACK NEAR FLAGSTAFF, ARIZONA, A GUEST OF D. M. RIORDAN. CIRCA 1891.

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