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John Muir
22
naturalist
22
travel
Environmentalist
16
conservation
16
history
16
national parks
16
California
6
Glaciers
6
Yosemite
6
annotation
6
artwork
6
drawing
6
drawings
6
historian
6
journal articles
6
journaling
6
journals
6
pamphlets
6
sketch
6
speeches
6
writing
6
writings
6
correspondence
4
letters
4
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