Unprocessed collection of miscellaneous records of the Bonneville Power Administration, including progress reports of the fish-passage research program, correspondence, and statistical data on the capacity of the Bonneville fishways.

Oral history interview with Chuck T. Collins conducted by Michael O'Rourke on October 19, 1999, as part of the Northwest Power Planning Council Oral History Project. Collins was a member of the council, now known as the Northwest Power and Conservation Council, from 1981 to 1986.

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 Tom L. Eckman conducted by Michael O'Rourke from September 16, 1998, to September 29, 2000, as part of the Northwest Power Planning Council Oral History Project. Eckman was manager of conservation resources for the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1982 to 2014.

Oral history interview with John N. Etchart conducted by Michael O'Rourke from August 8, 2002, to May 26, 2004, as part of the Northwest Power Planning Council Oral History Project. Etchart represented Montana on the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1993 to 2000.

Oral history interview with Randy W. Hardy conducted by Michael O'Rourke from June 11 to September 10, 2002, as part of the Northwest Power Planning Council Oral History Project. Hardy served as the executive director of the Pacific Northwest Utilities Conference Committee from 1982 to 1984, and as CEO of the Bonneville Power Administration from 1991 to 1997.

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 Peter T. Johnson conducted by Michael O'Rourke from March 1 to September 9, 2002, as part of the Northwest Power Planning Council Oral History Project. Johnson served as administrator of the Bonneville Power Administration 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.