John Muir
From Wikimedia Commons, the free media repository
English: John Muir was one of the first modern environmentalists, naturalists, and preservationists.
Español: John Muir: Granjero, inventor, pastor, naturalista, explorador, escritor y ambientalista.
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John Muir & Theodore Roosevelt, above Yosemite Valley, California.
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Fountain Lake Farm, Wisconsin.
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John Muir National Historic Site, Martinez, Northern California.