Grand Canyon Matthes Survey of . BLACK AND WHITE GLASS LANTERN SLIDE OF MAN ON HORSE WITH TEN-FOOT-HIGH SURVEYOR'S POLE. USGS LABEL ATTACHED. CIRCA 1902. WITH A GROUP OF SLIDES FROM THE MATTHES SURVEY EXPEDITION IN THE GRAND CANYON - CIRCA 1902

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