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 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.