Statistics for occurrence #1 of “South Mountain” in chapter 8.66 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2.:

...n. Marsena R. Patrick: 21st N. Y., Col. William F. Rogers; 23d N. Y., Col. Henry C. Hoffman; 35th N. Y., Col. Newton B. Lord; 80th N. Y. (20th Militia), Lieut.-Col. Theodore B. Gates. Brigade loss: South Mountain , k, 3; w, 19; m, 1 == 23. Antietam, k, 30; w, 187; mn, 17 == 234. Fourth Brigade, Brig.-Gen. John Gibbon: 19th Ind., Col. Solomon Meredith, Lieut.-Col. Alois 0. Bachman (k), Capt. William W. Dudl...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
South Mountain (Pennsylvania, United States) 79 2 1 0 0 user votes
South Mountain (Arizona, United States) 0 0 0 0 0 user votes
South Mountain (Arizona, United States) 0 0 0 0 0 user votes
South Mountain (Arizona, United States) 0 0 0 0 0 user votes
South Mountain (Arkansas, United States) 0 0 0 0 0 user votes
South Mountain (Arkansas, United States) 0 0 0 0 0 user votes
South Mountain (Arkansas, United States) 0 0 0 0 0 user votes
South Mountain (California, United States) 0 0 0 0 0 user votes
South Mountain (California, United States) 0 0 0 0 0 user votes
South Mountain (Colorado, United States) 0 0 0 0 0 user votes
South Mountain (Colorado, United States) 0 0 0 0 0 user votes
South Mountain (Connecticut, United States) 0 0 0 0 0 user votes
South Mountain (Idaho, United States) 0 0 0 0 0 user votes
South Mountain (Idaho, United States) 0 0 0 0 0 user votes
South Mountain (Maine, United States) 0 0 0 0 0 user votes
South Mountain (Maine, United States) 0 0 0 0 0 user votes
South Mountain (Maine, United States) 0 0 0 0 0 user votes
South Mountain (Massachusetts, United States) 0 0 0 0 0 user votes
South Mountain (Massachusetts, United States) 0 0 0 0 0 user votes
South Mountain (Massachusetts, United States) 0 0 0 0 0 user votes
South Mountain (New Hampshire, United States) 0 0 0 0 0 user votes
South Mountain (New Hampshire, United States) 0 0 0 0 0 user votes
South Mountain (New Mexico, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (New York, United States) 0 0 0 0 0 user votes
South Mountain (North Carolina, United States) 0 0 0 0 0 user votes
South Mountain (North Carolina, United States) 0 0 0 0 0 user votes
South Mountain (Oregon, United States) 0 0 0 0 0 user votes
South Mountain (Oregon, United States) 0 0 0 0 0 user votes
South Mountain (Pennsylvania, United States) 0 0 0 0 0 user votes
South Mountain (Pennsylvania, United States) 0 0 0 0 0 user votes
South Mountain (Pennsylvania, United States) 0 0 0 0 0 user votes
South Mountain (Texas, United States) 0 0 0 0 0 user votes
South Mountain (Texas, United States) 0 0 0 0 0 user votes
South Mountain (United States) 0 0 0 0 0 user votes
South Mountain (United States) 0 0 0 0 0 user votes
South Mountain (Utah, United States) 0 0 0 0 0 user votes
South Mountain (Utah, United States) 0 0 0 0 0 user votes
South Mountain (Utah, United States) 0 0 0 0 0 user votes
South Mountain (Utah, United States) 0 0 0 0 0 user votes
South Mountain (Utah, United States) 0 0 0 0 0 user votes
South Mountain (Utah, United States) 0 0 0 0 0 user votes
South Mountain (Vermont, United States) 0 0 0 0 0 user votes
South Mountain (Vermont, United States) 0 0 0 0 0 user votes
South Mountain (Washington, United States) 0 0 0 0 0 user votes
South Mountain (Wyoming, United States) 0 0 0 0 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.