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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: American Journal of Science
- Creators: Ringland, Arthur
ContributorsRingland, Arthur (Author)
Created1925-11-02
Description
Letter from Arthur Ringland to Carl Hayden about road alignment survey through the Buggeln ranch.
ContributorsMaxon, John H. (Author) / Campbell, Ian (Author) / American Journal of Science (Publisher)
Created1934-10-01
DescriptionExcerpt on the Archean Ripple Mark in the Grand Canyon.