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California
John Muir
12
naturalist
12
Environmentalist
6
Glaciers
6
Yosemite
6
artwork
6
author
6
conservation
6
correspondence
6
correspondent
6
drawing
6
epistle
6
exchange of letters
6
historian
6
history
6
letters
6
mail
6
message
6
missive
6
national parks
6
notes
6
post
6
sketch
6
travel
6
writing
6
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