Oral history interview with Barbara A. Mackenzie conducted by Katy Barber from September 27, 1999, to June 1, 2001. Mackenzie was director of the U.S. government project that relocated Native Americans displaced by the construction of The Dalles Dam in eastern Oregon and Washington state.

Oral history with Flora Cushinway Thompson conducted around 1971. Thompson discusses the Wyam people's way of life at Celilo Falls, and the Wyams' resistance to the construction of The Dalles Dam.

Oral history interview with Flora Cushinway Thompson conducted by Joan Arrivee Wagenblast in April 1966. Thompson, whose husband was Wyam Chief Tommy Thompson, discusses the forced relocation of the Wyam people after the construction of The Dalles Dam flooded Celilo Falls.