What Did John Muir Do For Yosemite?

What Did John Muir Do For Yosemite? The naturalist John Muir is so closely associated with Yosemite National Park—after all, he helped draw up its proposed boundaries in 1889, wrote the magazine articles that led to its creation in 1890 and co-founded the Sierra Club in 1892 to protect it—that you’d think his first shelter