9 Diller, “Excursions about Crater Lake,” in Geology and Petrography of Crater Lake National Park, USGS Professional Paper No. 3 (Washington, DC: Government Printing Office, 1902), 8-9, 17. The circuit was previously depicted promoted in Earl Morse Wilbur, “Description of Crater Lake,” Mazama 1:2 (1897), 60-62. Parts of it roughly correspond to the Rim Road circuit built between 1913 and 1918 by the Corps of Engineers, particularly the southern and eastern sections.
10 Caudle, Fieldnotes, 122.
11 Arant, quoted from recommendations made in his annual report to the Secretary of the Interior, in “Improve the Park,” Portland Morning Oregonian, November 7, 1906. The only improvement made over the following year that could fit the category of trails was $150 spent on a safety railing for the outer edge of Victor Rock, something ordered by the Secretary of the Interior James Garfield during his visit to the park that summer; Arant to the Secretary of the Interior, November 29, 1907, RG 79, Entry P9, Box 008, File 1236, Part 1, NARA II.
12 As shown on several early maps, it roughly corresponded to a piece of the modern Pacific Crest Trail until it veered west from Bybee Creek, crossing the park boundary at monument no. 22.
13 Arant, “Report to the Secretary of the Interior,” October 1, 1909, 3, RG 79, Central Classified Files 1907-39, File 1235, Part I, NARA II.
14 Ibid; Arant, “Report to the Secretary of the Interior, September 29, 1908, 4, RG 79, Entry 6, Central Classified File Reports, Box 13, folder Annual Reports, Part I, NA. Out of Arant’s estimates for 1907 (which totaled some $5,500), he estimated $500 for the lake trail, $250 for one to Mount Scott, and $200 to the Watchman; RG 79, Entry P9, Box 005, File 1237, Part 1, Appropriations, NARA II.
15 Arant, “Report to the Secretary of the Interior,” October 1, 1909, 3-4. He also made the same recommendation in 1908; Report on Wind Cave, Crater Lake, Sullys Hill, and Platt National Parks… compiled in the Office of the Secretary of the Interior (Washington, DC: Government Printing Office, 1908), 6. Arant did not see the long distance trails as practical for hikers, stating in his estimates for 1913 that they should only be cut out for horse travel; Arant to the Secretary of the Interior, September 7, 1912, RG 79, Entry P9, Box 005, File 1237, Part 6, Appropriations, NARA II.
16 William G. Carroll, Junior Engineer, to Major Jay J. Morrow, Corps of Engineers, November 15, 1911, 16-17, RG 77, First Portland District, General Correspondence 1900-42, Box 407, File CLP 105, NA Seattle.
