Grand Canyon Superintendent Tillotson, Dr Clover, and Norm Nevills GRCA SUPT TILLOTSON, DR. ELZADA CLOVER, & RIVER RUNNER, NORMAN NEVILLS POSING ON THE STEPS OF ADMIN BUILDING. (RANGER OPERATIONS) 12 JULY 1938

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Photo credit: © Natural History Archive / Alamy / Afripics
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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, tif, usa, widlife, wilderness