Chickamauga and Chattanooga National Military Park Chickamauga Heritage Trail Crawfish Springs
http://chickamaugacampaign.org/pdfs/crawfishspring.htm
also Rally on High Ground, an Online book of the National Park Service with an introduction by Robert K. Sutton
http://www.nps.gov/history/history/online_books/rthg/intro.htm
(11/30/2010)