The Beartooth Mountains are located in south central Montana and northwest Wyoming The remoteness of the region contributed to their obscurity until the 1870s. The Crow tribe of Native Americans used the valleys of the mountains for hunting game animals and for winter shelter from the harsh winds of the plains. Though trappers entered the region in the 1830s, formal exploration did not occur until 1878. Since then, almost 400 species of plants have been discovered and the Beartooths are considered to be the most biologically unique mountain range in North America.
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