Matching Items (2)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: American Journal of Science
- Creators: Crosby, W. W.
- Status: Published
![41341-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41341-Thumbnail%20Image.png?VersionId=lpjc9HmtjiMHGWeW9MlXiJKd64G0Az4t)
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.
![41097-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41097-Thumbnail%20Image.png?VersionId=rvp2BGAQsLRjIkyyKPudRRB.t_ghxm5I)
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.