... the islands and main land at the head of the bay, and then approach Mobile by way of Tensas River, or one of the channels above the city. For this purpose, a point on Fish River, that empties into Bon Secour Bay , north of Mobile Point, was chosen as the place of rendezvous for the troops, and a base of operations, at a distance of not more than twenty miles from Spanish Fort, the heaviest of the fortificatio...