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- All Subjects: Phoenix, AZ
- All Subjects: Bright Angel Trail (Ariz.)
- Resource Type: Text
Under contract HFR-PL-1(31)264, "Concrete Pavement Design and Rehabilitation," a comprehensive data base was created which contains pavement design and construction data, climatic information, traffic data, and condition data for 48 pavement sections. The data base includes projects from jointed concrete pavements (40 sections), prestressed concrete pavements (4 sections), continuousIy reinforced concrete pavements (2 sections), and 3-layer structural rehabilitation pavements (2 sections).
Editoral attacking Senator Ralph Cameron for attempting to buy Bright Angel Trail.
Travel statistics for Grand Canyon National Park.
Rebuttal to the editoral published in the Coconino Sun attacking Ralph Cameron.
Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
Letter from Carl Hayden to Fred S. Breen regarding Yaki Point, the sale of Bright Angel Trail and the building of a road between Maine and the Grand Canyon.
Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.