Matching Items (2)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: American Journal of Science
- Creators: Crosby, W. W.
ContributorsCrosby, W. W. (Author)
Created1923-08-21
Description
Letter from W. W. Crosby to the Director of the National Park Service defending his placement of the dynamite near Grand Canyon Village. He states there is between 16-20 tons of dynamite.
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.