Grand Canyon Matthes Survey of . BLACK AND WHITE GLASS LANTERN SLIDE. OLD SUSPENSION BRIDGE ACROSS THE COLORADO RIVER. PAPER/GOLD SLIDE FRAME CIRCA 1923. WITH A GROUP OF SLIDES FROM THE MATTHES SURVEY EXPEDITION IN THE GRAND CANYON.

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