Theodore Roosevelt and John Muir on Glacier Point, Yosemite Valley, California in The Evolution of the Conservation Movement, 1850-1920 (multi-format collection)

In May of 1903 President Theodore Roosevelt invited the naturalist John Muir to a four-day camping trip in the Yosemite wilderness. At the time of this historic meeting many millions of acres of our western forest were being exploited and abused by hunting, lumber, stock, and mining interests.