olympic national park By Tommy Gardner 1951 great forks fire 1958 Hurricane ridge opens ski area 1964 Wilderness act approved by government 1966 National HIstoric preservation act 1971 Point of Arches listed on the national natural landmarks registry. 1973 U.S.v. washington reaffirms fishing rights. 1988 Olympic Wilderness established by Congress 2006 Fire management plan completed 2011 Dam removal begins on the Elwha river 2013 Wilderness Stewardship planning begins