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John Muir
4
naturalist
4
travel
3
correspondence
2
drawings
2
journaling
2
journals
2
letters
2
writings
2
California
1
Environmentalist
1
author
1
conservation
1
correspondent
1
epistle
1
exchange of letters
1
history
1
mail
1
message
1
missive
1
national parks
1
notes
1
post
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writing
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