Statistics for occurrence #1 of “South Tunnel” in chapter 11, regiment IL105 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...ober 3-9, 1862; thence to Lawrenceburg in pursuit of Morgan, October 10-13. Moved to Bowling Green, Ky., October 26-November 4. To Scottsville November 11, to Gallatin, Tenn., November 25; to South Tunnel December 11 and duty there till February 1, 1863. At Gallatin till June 1. Moved to Lavergne, thence to Murfreesboro July 2. Return to Lavergne July 29; thence moved to Nashville, Tenn., ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
South Tunnel (Tennessee, United States) 14 11 2 1 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.