Will I have to work on Saturdays? <a href=" http://catraffictickets.com/index.php/merits-and-demerits-of-mobile-phones-essay.html ">thesis cmu</a> Ketchum, with a population of 2,700, and Sun Valley, with 1,400 people, were under "pre-evacuation orders," with authorities telling residents to be ready to leave if necessary. Many in those towns heeded the advice as the exodus heading south on Highway 75 continued to slow traffic through the valley.