A new plan Yosemite has been released. The goal is to lower the human impact.
http://www.nytimes.com/2013/07/29/u...-back-human-activity.html?pagewanted=1&ref=us
Brian
http://www.nytimes.com/2013/07/29/u...-back-human-activity.html?pagewanted=1&ref=us
Brian
