This section of the Great Divide Route crosses the Continental Divide at Rawlins, traversing the wide-open spaces of south-central Wyoming. A portion of the route between South Pass City and Rawlins drops into the Great Divide Basin, a conundrum of a region where falling precipitation drains neither east toward the Atlantic Ocean nor west to the Pacific. Rather, it drains only internally, evaporating or flowing into intermittent lakes. Once in...