CHAPTER XXVII.
The Yellowstone National Park.
The park is situated in the North-west corner of the State of Wyoming, overlapping a few miles into Montana on the north, and Montana and Idaho on the west, in the heart of the Rocky Mountains, and is about sixty-five miles east and west and seventy-five miles north and south.
None of the valleys are less than 6,000 feet, while many of the mountain peaks rise to 10,000 and even 14,000 feet above the sea-level. Three of the largest rivers in the United States, the Missouri, Yellowstone and Columbia, have their sources in the Yellowstone Park. Yellowstone Lake, fifteen by twenty miles in size, is the largest body of water, at an altitude of
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