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41223-Thumbnail Image.png
ContributorsBreen, Fred S. (Contributor)
Created1924-12-07
Description

Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.

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Created1926-04-02
DescriptionGrand Canyon National Park General Regulations.
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Created1929
Description

Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.