Breakheart Pass, a 1975 film starring Charles Bronson, was filmed on portions of the railroad on the Camas Prairie.
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While this definition of the Palouse remains common today, sometimes the term is used to refer to the entire wheat-growing region, including the Walla Walla Country, the Camas Prairie of Idaho, the Big Bend region of the central Columbia River Plateau, and other smaller agricultural districts such as Asotin County, Washington, and Umatilla County, Oregon.