produced by Broadcast Media & Technology Center, Office of Communications, U.S. Department of Agriculture ; produced by the USDA Forest Service in partnership with the USDOT FHWA Federal Lands Highway Program ; David O. Black, producer/director
90th Parallel Film and Television Productions Ltd. in association with the Canadian Broadcasting Corporation ; directed, produced and written by Kenton Vaughan ; photography, Mark Caswell ; executive producer, Gordon Henderson
Omni Film Productions ; produced with the participation of Telefilm Canada in association with British Columbia Films ... [and others] ; produced by Christian Bruyere, Ian Herring
director, editor, writer, Patrick J. O'Leary ; produced by Broadcast Media & Technology Center, Office of Communications, U.S. Department of Agriculture ; presented by U.S. Forest Service, Invasive Species Program