Cette entrée a été combinée avec United States Department of Agriculture Forest Service.
U.S. Forest Service
Auteur de The True Story of Smokey Bear
Œuvres de U.S. Forest Service
Wetland Trail Design and Construction by Service, U.S. Forest; Administration, Federal Highway published by University… (2005) 2 exemplaires
Sequoia National Forest Including Giant Sequoia National Monument (California 2001, Minor revisions 2004) (2004) 1 exemplaire
Forests of western and central Ecuador, The 1 exemplaire