Yellowstone first National Park (1872)
established by the Forty-Second U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872 the first national parkĀ in the world 1,221,773 acres U.S. National Park
established by the Forty-Second U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872 the first national parkĀ in the world 1,221,773 acres U.S. National Park
Its official mission is to provide social and economic development abroad through technical assistance, while promoting mutual understanding between Americans and populations served.\