California's northeastern corner is dominated by the 14,162-foot-tall presence of Mount Shasta. On the southeastern flank of the great mountain lies the picturesque town of McCloud. The McCloud River Railroad established its operational headquarters in the town in 1897. The next seven decades saw the railroad and the affiliated McCloud River Lumber Company carve hundreds of miles of railroad into the pine forests and lava beds east of McCloud, eventually reaching as far as Lookout to the east and the Burney Basin to the south. The McCloud River Railroad eked out a living hauling lumber,...