 of the Committee on Resources, Concerning H.R. 000, the Sand Creek Massacre National Historic Site Trust Act of 0000, April 00, 0000," in FSCMNHS, now at NPS-WACC; Alexa Roberts, interview by author, April 00, 0000, telephone, tape recording, in author's possession.  . Quote from Alexa Roberts, interview by author, July 00, 0000, telephone, tape recording, in author's possession.  . Quotes from Alexa Roberts interview, July 00, 0000. 