Potlatch Lumber Company's sawmill built here in 1906 was one of the largest in the world. As operations expanded westward, Weyerhaeuser timber barons invested in Idaho’s prime white pine stands. By 1920, the mill was cutting 175 million board feet each year. Logs and lumber moved on the Washington, Idaho and Montana Railway through stations uniquely named for eastern colleges: Yale, Princeton, Harvard, Cornell, Purdue.