List of U.S. National Forests

Statistics”. Ministry of Environment and Forests. 15 November 2012時点のオリジナルよりアーカイブ。22 July 2012閲覧。 ^ “Conservation of the Avifauna”. Dudhwa National Park. 22 July

University of Massachusetts Amherst. March 19, 2009閲覧。 ^ “Massachusetts Forests”. MassWoods Forest Conservation Program — The University of Massachusetts

html November 15, 2008閲覧。  ^ "Shenandoah National Park — Forests". National Park Service. 25 July 2006. 2007年9月10日閲覧。 ^ Carroll & Miller

^ a b “Oklahoma National Park Guide”. National Park Service (2007年). 2007年8月2日閲覧。 ^ “National Forests”. United States Department of Agriculture Forest

Dale L. Efficacy of Cholecalciferol Baits for Pocket Gopher Control and Possible Effects on Non-Target Rodents in Pacific Northwest Forests. Vertebrate Pest