104 NPS Development Outline, Road and/or Trail System Plan, March 1944, trail system sheets.
105 Sager, Report to the Chief Architect, October 16, 1933, 4-5. Record of Improvements, CLNP, May 1, 1945, 11.
106 William E. Robertson, Wizard Island – Trail to Summit and along shore, January 1934, CL-5018, one sheet, NPS files.
107 Hall to the NPS Director, August 11, 1934; Warren G. Moody, acting park naturalist, to David Canfield, acting superintendent, August 20, 1934, RG 79, Central Classified Files (Crater Lake) 1907-49, File 640 Trails (General), NARA II.
108 They also had to repair storm damage on the Garfield Peak Trail; Frank A. Kittredge, Chief Engineer, to the Director (Cammerer), August 17, 1935, 1, RG 79, Stack 150, 32:35:5, Box 473, Crater Lake files, NARA II.
109 The construction estimate was $500, given how a “low standard” trail was contemplated to accommodate visitors who might use it, given that interest would be limited to those few attracted by the geological formation; Item 23, Red Cone Trail, RG 79, Central Classified Files 1933-49, Box 885, File 618, Part 1, Public Works, NABA II.
110 H.C. Bryant, Assistant Director, to J. Volney Lewis, Regional Geologist, transmittal of January 27, 1936, referencing proposed CCC Project 78, trails to points of geological interest, RD/L.
111 CLNP Development Outline, Trail System, January 1, 1940; Development Outline, Road and/or Trail System, March 1944; Master Plan, Diamond Lake (North) Junction sheet, 1947. Its disappearance from planning documents was likely tied to the proposed removal of facilities from the North Junction (a ranger station and entrance station) in favor of a station near the North Entrance.
112 Record of Improvements, op. cit., 12; see also CLNP Development Outline (Master Plan narrative), 1936.
113 Lange, Monthly Narrative Report to the Chief Architect, July 25-August 24, 1937, 5.
114 Sumner, Special Report on Job No. 206, Priority No. 106, Foot Trail Maintenance, Crater Lake National Park, Ninth Period Program, attached to memorandum to the acting Regional Officer, July 27, 1937, RG 79, Central Files 1933-49, NARA II.
115 Record of Improvements, op. cit., project 119, 11. There is a discrepancy with the number cited in the 1939/40 Development Outline (Master Plan narrative) which gives a total of 50 log benches placed on those two trails in 1937.
