This image provided by Carroll Van West and released by The National Trust for Historic Preservation shows the Musselshell School in Montana. The trust released its 2013 list of 11 Most Endangered Historic place and historic rural schoolhouses in Montana are on the list. Montana is still using more historic one- and two-room schoolhouses than any other state, but preservationists say the school buildings are at risk because the state?s population is shifting to urban centers. &#40;AP Photo&#47;Carroll Van West&#41; <span class=meta>(AP Photo&#47; Caroll Van West)</span>
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