Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- All Subjects: Desert conservation
- Creators: Lane, Franklin K.
- Creators: Fechner, Robert
- Creators: Garrison, James W.
- Creators: R. P. Gilliland, R. P. Gilliland
Letter from R.P Gilliland to Carl Hayden regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ, to the Grand Canyon.
Letter from Franklin K. Lane to Carl T. Hayden expressing his support for bill S.390 in establishing the Grand Canyon as a National Park.
Letter from Franklin K. Lane expressing his support for bill S.390 in establishing the Grand Canyon as a National Park. Circa 1913-1920.
Letter from Robert Fechner to Carl Hayden on building a Union Chapel in the Grand Canyon.
Pima County is blessed with a rich and varying record of human settlement over the 11,000 years representing prehistoric, Spanish Colonial, and Mexican-American influences in our history. The County's archaeological site is the building of structure with traditional cultural values and historic landscapes are all nonrenewable cultural resources.