John Muir and Maclure Glacier .

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Size: 2313px × 864px
Photo credit: © Natural History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, american, change, climate, conservation, country, history, land, lands, national, natural, nature, nps, park, parks, preserve, program, public, response, service, usa, widlife, wilderness