Centennial Mountains Rock Lakes National Wildlife Refuge, state and private land, and part of a USDA Agricultural Research Station for sheep. Around 326 vascular plant species have been identified in the Centennials, an unusual plant diversity for the Yellowstone region. Grizzly bears inhabit the area, as nearly all species indigenous to the Greater Yellowstone Ecosystem are present. The north slope of the Centennials rises abruptly 3,000 feet above the Centennial Valley. Centennial Mountains The Centennial Mountains are the southernmost sub-range of the Bitterroot Range in the United States states of Idaho and Montana. The Centennial Mountains include the Western and Eastern Centennial
Miss USA to three years. As of 2018, the pageant has been held in the following states: Since 2003, a number of delegates have been involved in special episodes of regular programs broadcast by NBC. From 2003–2005, six delegates each year were chosen to participate in a special Miss USA edition of "Fear Factor", with the victorious contestant taking the title "Miss Fear Factor USA" and a prize of $50,000 ($25,000 of which was to be donated to a charity of the winner's choice). These were broadcast immediately prior to the live pageant broadcast. In 2006, Chelsea Cooley and twenty-six delegates participated