(PDF)于2012-09-07). The National Forests of the UnitedStates (PDF). ForestHistory.org. [2012-07-30]. (原始内容 (PDF)存档于2013-02-12). Staff. Utah Forest Highway Long Range
(PDF)于2013-01-16). The National Forests of the UnitedStates (PDF). ForestHistory.org. [2017-11-03]. (原始内容存档 (PDF)于2013-02-12). Staff. Utah Forest Highway Long Range