Oral history interview with Angus Duncan conducted by Jim Strassmaier from July 15 to September 24, 1999, as part of the Northwest Power Planning Council Oral History Project. Duncan discusses his career in public service, particularly his service as a member of the Northwest Power Planning Council from 1990 to 1995.

Oral history interview with Daniel J. Evans conducted by Michael O'Rourke from February 29 to March 1, 2000, as part of the Northwest Power Planning Council Oral History Project. Evans served as the first chair of the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1981 to 1983.

William L. Finley (1876-1953) was a naturalist and photographer. He was instrumental in the conservation movement and establishment of the Tule Lake-Lower Klamath and Malheur Bird Refuges. Collection consists of a scrapbook and letters regarding personal matters, the Izaak Walton League, and conservation.

Oral history interview with Pat Ford, conducted by Clark Hansen on May 7, 1998, as part of the Columbia River Dissenters Oral History Series. Ford discusses his work with the Idaho Conservation League from 1977 to 1984, and with the Save Our Wild Salmon Coalition from 1991 to the time of the interview.

Approximately 350 black and white photographs, most in 3 albums, of a trip to Alaska, especially of the commercial salmon fishing and canning industry.

Oral history interview with John Harrison and John Shurts conducted by Michael O'Rourke on May 21, 1998, as part of the Northwest Power Planning Council Oral History Project. Harrison and Shurts discuss the work of the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, both on power planning and on salmon conservation.

Oral history interview with Roy H. Hemmingway conducted by Michael O’Rourke from August 29 to October 20, 2000, as part of the Northwest Power Planning Council Oral History Project. Hemmingway represented Oregon on the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1981 to 1986.

Oral history interview with Kai N. Lee conducted by Michael O'Rourke from May 26-27, 1999, as part of the Northwest Power Planning Council Oral History Project. Lee represented Washington on the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1983 to 1987.

Manuscript autobiography by George Youell regarding his life as an English fisherman and his rise to prominence.

Oral history interview with Peter J. Paquet conducted by Michael O'Rourke from October 21, 1998, to April 18, 2000, as part of the Northwest Power Planning Council Oral History Project. Paquet was wildlife and resident fish manager for the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1984 to 2014.