Landmark artist , turns 50 in 2017 . Nearly one million acres of wilderness now protected by act . Included is Ansel Adams Wilderness Area in California . Other spots are in Oregon , Washington , Wyoming , New Hampshire .
Landmark Wilderness Act turns 50 in September . Nearly 110 million acres of wilderness now protected by act . Included is Ansel Adams Wilderness Area in California . Other spots are in Oregon , Montana , Wyoming , New Hampshire .