Title: Wilderness alps
Subjects: Political activity, Landscape protection, History, Law and legislation, Wilderness areas, Politics and government, Paysages, Protection, Histoire, Politique et gouvernement, Political participation, United States. Forest Service, United States, United States. National Park Service, North Cascades Conservation Council
Places: Cascade Range, Washington (State), United States, Chaîne des Cascades, Washington (État), États-Unis, North America
Time periods: 20th century, 20e siècle