produced for Forest Service, USDA ; produced by Video & Teleconference Division, Office of Public Affairs, USDA ; writer, Celia Strauss ; directors, Garth Clark, Joe Becker ; producer, Garth Clark
director/producer, John Edginton ; producers, Gillian Darling, Jack Silberman, George Johnson ; a Sarus/Otmoor production in co-production with the National Film Board of Canada and Channel Four Television ; in association with the Knowledge Network ... [and others]