(untitled) - Rosenstock, Barb; 740 (New York, 2012)
Keywords: Environmentalism -- United States -- History --; Muir, John, -- 1838-1914 --; National parks and reserves -- United States -- History --; Roosevelt, Theodore, -- 1858-1919 -- Travel -- California -- Yosemite Valley --; Yosemite National Park (Calif.) -- History --; Juvenile literature; Juvenile literature; Juvenile literature; Juvenile literature; Juvenile literature