The Army improved the trail for use by wagons and stagecoaches in 1859 and 1860. Starting in 1860, the American Civil War closed the heavily subsidized Butterfield Overland Mail stage Southern Route through the deserts of the American Southwest.
The Army improved the trail for use by wagons and stagecoaches in 1859 and 1860. Starting in 1860, the American Civil War closed the heavily subsidized Butterfie.ld Overland Mail stage Southern Route through the deserts of the American Southwest