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- Merriam, Acting Superintendent's Monthly Report, July 1937; Superintendent's Monthly Report, June 1938, 8; Wosky, Acting Superintendent's Monthly Report, August 1938, 7; Merriam, Superintendent's Monthly Report, September 1938, 6; Superintendent's Monthly Report, October 1938, 6; Superintendent's Monthly Report, November 1938, 5.
- Roach, Engineer, Final Construction Report, Project Yosemite 4-Al (portion), Tioga Road, Gin Flat-White Wolf section, Bituminous Treatment, 23 May 1940, 2-5.
- A. W. Schimberg, Engineer, Public Roads Administration, Final Construction Report, Project Yosemite 4-A1, A2 (portion), Tioga Road, Crane Flat-White Wolf Section, Bituminous Treatment and Subgrade Preservation, 15 December 1940, 1-3.
- Morton M. Flint, Engineer, Public Roads Administration, Final Construction Report, Project Yosemite 4-Al, A2 (portion), Tioga Road, Gin Flat-McSwain Meadow section, Bituminous Treatment Base Course, 21 March 1941, 1-5.
- "Tioga Road Now open," NPS Press Release, attached to Wosky, Acting Superintendent's Monthly Report, July 1938.
- Trexler, 17.
- Ibid., 11-12, 24.
- Thomas C. Vint, Chief, NPS Landscape Architecture Division, "Statement concerning Road Development in the High Sierra Section of Yosemite National Park," Typed MSS, 1 November 1948. Yosemite Research Library.
- Trexler, 24.
- Cohen, 96-99.
- Harold C. Bradley, "Yosemite's Problem Road," Conservation, January-February 1950, 4-7.
- Harry Stoekel, "Old Tioga Road Ride Gives Travelers Big Scenic Treat," (Merced, CA) Sun-Star, 28 July 1956, 15.
- Quoted in Trexler, 25.
- "Tioga Road Job Delayed," San Francisco Chronicle, 17 July 1956.
- "Early Tioga Use Indicates New Travel Record," Fresno Bee, 2 June 1957, I-B.
- Quoted in Runte, 196.
- Conrad Louis Wirth, Parks, Politics, and the People. (Norman: University of Oklahoma Press, 1980), 359.
- Quoted in Ansel Adams, "Tenaya Tragedy," Sierra Club Bulletin, Vol. XLIII No.9, November 1958, 18 .
