a Yocha Dehe Wintun Nation production ; produced and directed by David Mueller & Lynn Salt ; co-producers, Tashina Banks, Takeo Koshikawa ; writer/interviews, Lynn Salt
written, produced and directed by Linda Garmon ; a Nova production by the WGBH/Boston Science Unit in association with BBC-TV, NDR International Hamburg and Nederlandse Omroepprogramma Stichting