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William E. Walters appointed Chaplain of the 4th South Carolina Regiment May 26, 1862, appointed Chaplain for the 2nd South Carolina Rifles Regiment March 12,1863, recorded as with Bratton's Brigade, South Carolina Volunteers near Petersburg, Virginia on August 30,1864, recorded as on the outer lines of Richmond on December 27, 1864 and on January 27, 1865, Bratton's Brigade, Field's Division, Longstreet's Corps
These two files are found in M267 Roll 168 and M331 Roll 258
You may procure his service records files at: http://history-sites.com/research/index.html