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 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 Ancer L. Haggerty conducted by Clark Hansen from December 9, 2005, to February 23, 2006, as part of the United States District Court Oral History Project. Haggerty was a judge on the Multnomah County Circuit Court from 1990 to 1993 and a judge on the U.S. District Court of Oregon from 1993 to 2014, serving as chief judge from 2002 to 2009.