Oral history interview with Henry E. Haefner conducted by Charles Digregorio on July 9, 1979. Haefner was a ranger in the Siskiyou National Forest from 1909 to 1925.

Oral history interview with Wendell H. Harmon and Florence E. Harmon conducted by Elizabeth Buehler on March 16, 1983. The Harmons homesteaded near Elk City, Oregon, in the 1930s.

Oral history interview with Irvin Luiten conducted by James Strassmaier from March 16, 1988, to January 18, 1990, as part of the Oregon Legislature Oral History Series. Luiten was a lobbyist for the Weyerhaeuser Company from 1953 to 1978.

Oral history interview with Richard F. Smith conducted by Charles Digregorio on September 20, 1978. Smith was the county forester for Clark County, Washington.