he Omnibus Public Land Management Act of 2009, co-written by Sen. Dianne Feinstein and Sen. Barbara Boxer, is the largest wilderness preservation bill since President Clinton signed the Desert Protection Act in 1994.
With Obama's signature, wilderness designation was extended to roughly 750,000 acres of federally owned land in California, including Mineral King Valley in Sequoia-Kings Canyon National Park, where Walt Disney attempted to build a massive ski resort in the 1960s; bristlecone pine forests in the Eastern Sierra, and vast expanses of desert, including portions of Joshua Tree National Park.
In wilderness areas, people are allowed to hike, ride horses, camp, hunt and fish. But logging, mining, building roads and riding mountain bikes is banned in such areas. Roughly 109 million acres — or 5 percent of the United States — is federally protected wilderness
