Tripod signal erected by Capts. Dorr and Donn of U.S. Coast Survey atPulpit Rock on Lookout Mountain. Battle of Chattanooga.Are John Donn and Frederick Dorr the two men in this image?
4/5/2019 9:09:39 AM
Date: 1863?-1864?
Credit: Library of Congress American Memory Collection
Location: Tennessee, Chattanooga area