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- All Subjects: Arizona
- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Arizona Geological Survey
- Creators: Demaray, A. E.
Some of the richest helium-bearing gas in the world was produced in Arizona. Helium concentrations range from trace amounts up to ten percent in the Holbrook Basin and Four Corners. Both areas have good potential for additional discovery and production of helium. Includes metadata for the monthly, annual, and cumulative summary reports of oil, gas and helium production by Arizona drilling fields.
Letter from A. E. Demaray to Carl Hayden with Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.
Letter from Arthur E. Demaray to Carl Hayden regarding insurance claims submitted by three men who lost property due to a fire in government-owned apartments.
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 A. E. Demaray to Carl Hayden regarding travel plans for Stephen Mather to the park.
Letter from A. E. Demaray to Carl T. Hayden regarding a negative newspaper article about the National Park Service and Stephen Mather.
Letter from A. E. Demaray to Carl T. Hayden regarding the release of a Senate Committee on Public Lands report to newspaper reporters from the New York Times.
Letter from A. E. Demaray to Carl T. Hayden concerning the dates and participants of a congressional party visit that begins in San Francisco, Calif., and includes the Roosevelt-Sequoia National Park, Calif.; Needles, Calif.; Grand Canyon National Park, Ariz.; Flagstaff, Ariz.; Keams Canyon, Hopi Nation; Fort Defiance, Navajo Nation; Shiprock, Navajo Nation; and the Pueblo of Zuni.
Letter from A. E. Demaray to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Four letters of correspondence about the purchase of Bright Angel Trail between A. E. Demaray, Acting Director of the Grand Canyon National Park; E. C. Finney, Department of the Interior First Assistant Secretary; Carl T. Hayden, Representative (AZ); and Stephen T. Mather, Director of the National Park Service.