...ed by Captain C. T. Lieurner, in 1862, at an average distance of three miles out from the business streets, and comprised fifteen redoubts. In 1863, after the fall of Vicksburg, when an attack upon Mobile was expected, General D. Leadbetter constructed a second line of works, which passed through the suburbs of the city, comprising sixteen inclosed and strong redoubts. It was then estimated that a ...