translate English to French: U.S. Department of the Interior, Fort Collins, CO. http://www.mesc.nbs.gov/projects/boreal_toad_movements_habitat.html Ross, D.A., and T.C. Esque.
U.S. Department of the Interior, Fort Collins (Colorado). http://www.mesc.nbs.gov/projects/boreal_toad_movements_habitat.html Ross, D. A. et T. C. Esque.