32. Annual Report, Crater Lake National Park, 1943, RG 79, Central Files, 1933-49, File No. 207-001.4, Superintendent’s Annual Report.
33. Report of Park Naturalist, June 1947, RG 79, Western Region (IV), Monthly Activity Reports of Park Naturalists, October 1935-December 1953, Box 2 (1945-47), Folder 6-47, FRC, San Bruno.
34. Monthly Narrative Reports for Crater Lake National Park, June, July, August, 1946, RG 79, Central Files, 1933-49, File No. 207-02.3, Crater Lake, Superintendent’s Monthly Narrative Reports, 1943-46. Also see Reports of Park Naturalist, June, July, August, and September 1947, RG 79, Western Region (IV), Monthly Activity Reports of Park Naturalists, October 1935-December 1953, Box 2 (1945-47), Folders 6, 7, 8, and 9-47, FRC, San Bruno.
35. Annual Report of the Executive Secretary, Crater Lake National History Association, January 28, 1947, RG 79, 67A612, Box 3, File 0-09, FRC, Seattle.
36. “A Prospectus for Museum Development in Crater Lake National Park,” June 2, 1947, RG 79, File No. 620-21, Museum Contact Bldg., FRC, Seattle.
37. “Crater Lake Field School of Nature Appreciation,” July 14-August 16, 1947, RG 79, Central Files, 1933-49, File No. 504, Crater Lake National Park, and Memorandum for the Regional Director, by Lowell Sumner, Park Planner, May 30, 1946, RG 79, 67A723, Box 8, File No. 843-03.1, University of Oregon School, FRC, Seattle.
38. “Information on the Application for a Ranger Naturalist Position,” George C. Ruhle, Park Naturalist, Approved, January 22, 1948, E.P. Leavitt, Superintendent, RG 79, Western Region (IV), Monthly Activity Report of Park Naturalists, 1935-53, Box 3 (1948), Folder 1-1948, FRC, San Bruno.
39. See, for instance, Reports of the Park Naturalist, June, July, August, and September 1951, RG 79, Western Region (IV), Monthly Activity Reports of Park Naturalists, 1935-53, Box 6 (1951), Folders 6, 7, 8, and 9, FRC, San Bruno.
40. Annual Report of the Director of the National Park Service, 1952, (Reprint from Annual Report of the Secretary of the Interior, 1952), p. 367.
41. Annual Report of the Crater Lake Natural History Association, 1951-52, National Park Service Historical Collection, Harpers Ferry Center. The Farner study was published as a book by the University of Kansas Press. Donald S. Farner, The Birds of Crater Lake National Park (Lawrence, 1952).
42. “Museum Prospectus, Crater Lake National Park,” October 22, 1957, National Park Service Historical Collection, Harpers Ferry Center.
43. Grant and Wenonah Sharpe, 101 Wildflowers of Crater Lake National Park (Seattle, 1959).
44. Annual Reports, Crater Lake National Park, 1960 and 1961, RG 79, File No. A2621, Annual Reports (Misc.), Box 13, FRC, Seattle.
45. Annual Report on Information and Interpretive Services, Crater Lake National Park, 1960, RG 79, File No. K 819-Reports, Box 11, FRC, Seattle. For the experiences of a seasonal ranger naturalist during this period see Susanne Twight, “Two Seasons at Crater Lake,” National Parks Magazine, XXXVII (August, 1963), 15. For further data on park interpretation programs during the 1960s, see Annual Information and Interpretive Services Reports, 1962-69, Library Collection, Crater Lake National Park.
46. Archaeological Surveys of Crater Lake National Park and Oregon Caves National Monument, Oregon, by Wilbur A. Davis, 1963, np., Files, Technical Information Center, Denver Service Center.
47. The Nelson and Lidstrom studies are in the William Jasper Kerr Library at Oregon State University, Corvallis, and the Mueller thesis is in the Oregon Collection at the Main Library of the University of Oregon in Eugene.
48. Annual Report of Crater Lake Natural History Association, Incorporated, 1962, 1963, and 1964, RG 79, 46953, Box 13, File A42, Cooperating Associations (Natural History Association), FRC, Seattle.
49. U.S. Department of the Interior, National Park Service, Interpretive Prospectus, Crater Lake National Park, Oregon, May 1972, Files, Technical Information Center, Denver Service Center.
50. National Park Service, Cooperative Park Studies Unit, College of Forestry, Oregon State University, 1983 Annual Report, pp. 1-7, Library Collection, Crater Lake National Park.
