Our national parks, By John Muir: John Muir ( April 21, 1838 - December 24, 1914) also known as "John of the Mountains", was a Scottish-American naturalist, author, environmental philosopher and early advocate of preservation of wilderness in the United S
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Our national parks, By John Muir: John Muir ( April 21, 1838 - December 24, 1914) also known as "John of the Mountains", was a Scottish-American naturalist, author, environmental philosopher and early advocate of preservation of wilderness in the United S
