...lly moved again, and arrived at Fort Gaines, on Dauphin Island, on the 7th of March, where a siege train was organized, *consisting of seven batteries of the First Indiana Artillery, two of the Sixth Michigan , and one of Mack's Eighteenth New York. The cavalry marched overland from New Orleans. At the middle of March, every thing was in readiness for an attack on Mobile, with from twenty-five thousand...