This oral history interview with Henrietta C. Failing was conducted by Charles Digregorio on July 14, 1976, at the Oregon Historical Society in Portland, Oregon, as part of the oral history program at the society's research library.

In this interview, Failing speaks about the history of the Failing family. She focuses particularly on the life and career of her father, James Frederick Failing, who came to Portland, Oregon, as a child in 1851; and on her uncle Henry Failing and his work as Portland mayor from 1864 to 1866 and from 1873 to 1875. She briefly discusses the role of Chinese Americans in 19th-century Portland. She also speaks about the life and career of her maternal grandfather, John Conner, who came to Albany, Oregon, in 1853. She talks about her family's involvement with the First Baptist Church in Portland. She closes the interview by talking about her early life in Portland, including her memories of the Lewis and Clark Exposition in 1905.

This oral history interview with Rhoda R. Madden was conducted by Charles Digregorio at the Oregon Historical Society in Portland, Oregon, on November 9, 1976, as part of the oral history program at the society's research library.

In this interview, Madden discusses her family background and early life in Portland. She talks about her recreational activities during her teens and 20s in the early 20th century, particularly camping. She discusses her involvement with the Portland Town Club, talks about running a dance school, and describes attending parties held by wealthy Portland residents.

This oral history interview with Henry E. Haefner was conducted by Charles Digregorio at Haefner's home in Portland, Oregon, on July 9, 1979, as part of the Oregon Historical Society's oral history program.

In this interview, Haefner discusses his experiences as a forest ranger in the Siskiyou National Forest from 1909 to 1925. He describes traversing the forest on foot and horseback before roads were built and speaks at length about fighting fires in the forest with early 20th century equipment. He shares his thoughts about changes in forest management over the 20th century, and about changes in public opinion regarding forest fires and environmental conservation. He closes the interview by talking about clear-cutting.