Abstract

Topography.

The Crazy mountains are situated in central Montana, centering about latitude 46°, longitude 110° 15′. They form a high isolated range of the Rocky mountains, lying about 30 miles east of the easterly border of the main mass of the mountains, and rise abruptly from the eastern table-lands, attaining an extreme elevation of about 11,000 feet above sea-level. The Yellowstone river flows around their southern end a few miles after its exit from the mountains at the lower canyon, and the range is therefore in plain view from the Northern Pacific railroad for many miles eastward from the town of Livingston.

The mountains trend a little west of north and are about 40 miles long and 15 or 20 wide. A large branch of the Yellowstone, called Shields river,, which flows southward along the western base, has cut a deep, flat transverse valley at its head nearly through to . . .

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