• Yellowstone, the First National Park -- Mapping the National Parks

    Among those who played key roles in establishing Yellowstone as the Nation's first national park was Ferdinand Vandiveer Hayden. His accomplishments in 1871-72 were the high point of a long and distinguished career in public service. Detail of Preliminary survey of burned areas, Yellowstone National Park and adjoining national forests, 1988. The Yellowstone area was almost the last unexplored region within the coterminous United ...

    • Date: 1869