a production of the US Bureau of Land Management ; directed by Art Ferraro ; produced by Shayne Banks ; executive producers, Mike Pool, Celia Boddington, Jeff Krauss ; written by Tony Garrett, Shayne Banks, Chip Calamaio, Art Ferraro, Maxine Shane
Rosemont Pictures presents ; executive producer, Percival Beacroft ; produced & directed by Brian Gary ; written by Wendi Berman & Brian Gary ; producer, Wendi Berman ; in association with Flying Chaucer Films LLC
HBO Documentary Films presents an Augusta Films production ; directed by Nancy Buirski ; produced by Nancy Buirski and Elisabeth Haviland James ; writers, Nancy Buirski and Susie Ruth Powell