Fort Yellowstone is the historic military district at Mammoth Hot Springs, where the U.S. Cavalry managed the park before the National Park Service existed. The red-roofed buildings are a strong reminder of Yellowstone's early conservation history.
Fort Yellowstone is the historic military district at Mammoth Hot Springs, where the U.S. Cavalry managed the park before the National Park Service existed. The red-roofed buildings are a strong reminder of Yellowstone's early conservation history.
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