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- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Transportation
- Creators: Eakin, J. R.
- Creators: Moran, P. J.
- Creators: Behavior Research Center
Press release comparing visitor attendance to the park by year. A 26 percent increase from 1923 to 1924 is noted.
Travel statistics for Grand Canyon National Park.
Letter from J. R. Eakin to Carl Hayden regarding the sale of Bass properties to the Santa Fe Railroad Company.
Letter from J. R. Eakin to Carl Hayden justifying the value of his land at twenty-five thousand dollars.
Letter from P. J. Moran to Carl T. Hayden inquiring when construction will begin on the approach road to Bright Angel Trail.
Letter from J. R. Eakin to Stephen T. Mather about expenses and reconstruction of the Kaibab Trail.
Letter from J. R. Eakin to Arthur C. Ringland about the alignment of 40 acres near the Buggeln ranch.
Letter (copy) from J. R. Eakin to Arthur C. Ringland about the alignment of 40 acres near the Buggeln ranch.