Filtering by
- All Subjects: Insurance claims
- All Subjects: Mining
- Creators: Hayden, Carl T.
- Creators: United States Department of the Interior
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
Letter from Carl Hayden to Arno Cammerer asking his advice in regards to the insurance claims filed by park employees.
Letter from Carl Hayden to Roy James and M. J. Hanley expressing a wish to soon have a definite answer in regards to their insurance claims.
Letter from Carl Hayden to A. E. Demaray on behalf of Roy James and M. J. Hanley asking if reimbursment could be granted without the need of special legislation.
Letter from Carl Hayden to Arno B. Cammerer asking for the insurance claims of Roy James and M. J. Hanley to be investigated.
Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.
Letter from Carl T. Hayden to Alf Dickenson about mine locations within the park.
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.