Wilderness Act turns 50 in the summer . Nearly 110 million acres of wilderness now protected by act . Included is Meriwether Lewis in New Hampshire . Lewis was the first to leave a record of his passage through the area , giving it the moniker Gates of the Mountains in his journal . Other spots are in Wyoming , Montana , Wyoming , New Hampshire .
Wilderness Act turns 50 in the summer . Nearly 110 million acres of wilderness now protected by act . Included is Meriwether Lewis in New Hampshire . Other spots are in Wyoming , Montana , Wyoming , New Hampshire .