...R/xhtml1/strict"> Colonel Rains, in the course of the Summer of 1861, established a refinery of saltpetre at or near Nashville, and to this point chiefly were sent the nitre, obtained from the State of Georgia , and that derived from caves in East and Middle Tennessee. He supplied the two powder mills in that State with nitre, properly refined, and good powder was thus produced. A small portion of the G...