Whose campaign to protect the wilderness led to the establishing of Yosemite National Park and Sierra Club?

Whose campaign to protect the wilderness led to the establishing of Yosemite National Park and founding of the Sierra Club?



Joseph G. McCoy



Hamlin Garland



Owen Wister



John Wesley Powell



John MuirWhose campaign to protect the wilderness led to the establishing of Yosemite National Park and Sierra Club?
Muir