Filtering by
- All Subjects: Campbell, Gilbert Alan, 1906-1985
- All Subjects: Insurance claims
- All Subjects: Water-power
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter to Carl T. Hayden regarding a water-power bill in effect for the Grand Canyon.
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.
Letter from Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.
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 A. E. Demaray to Carl Hayden informing him that the Secretary of the Interior will not reimburse Roy James and M. J. Hanley.
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 Arno B. Cammerer to Carl Hayden updating him in regards to the insurance claims by Roy James and M.J. Hanley.
Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.
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 Arno Cammerer asking his advice in regards to the insurance claims filed by park employees.