Caves of Chattanooga Author:Larry E. Matthews Learn about the use of Chattanooga caves by American Indians, beginning 8,000 years ago and ending with the removal of the Cherokee in 1838. Learn how early settlers explored and used these caves. Learn how Chattanooga caves were mined for saltpeter, the main ingredient of gunpowder, during both the War of 1812 and the Civil War. Read t... more »he story of Nickajack Cave, the most visited cave during the American Civil War. The complete story of the exploration and commercial development of nine Chattanooga-area caves. Read never-before-published stories of amazing discoveries deep inside Lookout Mountain. Be amazed by the Great Cave Hoax of 1927.« less