John Muir was a naturalist, author and early environmentalist who was an advocate of wilderness preservation. He spent much of his life in California and was instumental in protecting the Yosemite valley.
Image from: www.sierraclub.org
John Muir was a naturalist, author and early environmentalist who was an advocate of wilderness preservation. He spent much of his life in California and was instumental in protecting the Yosemite valley.
Image from: www.sierraclub.org