79th Pennsylvania Infantry The 79th Pennsylvania Volunteer Infantry ( also known as the " Lancaster Rifles " ) was an infantry regiment that served in the Union Army during the American Civil War . Service . The 79th Pennsylvania Infantry was organized at Lancaster , Pennsylvania and mustered in for a three year enlistment on September 19 , 1861 under the command of Colonel Henry A . Hambright . The regiment was recruited in Lancaster and Washington counties . The regiment was attached to Negley ' s 4th Brigade , McCook ' s Command , at Nolin , to November 1861 . 7th Brigade , Army of the Ohio , to December 1861 . 7th Brigade , 2nd Division , Army of the Ohio , to March 1862 . Negley ' s Independent Brigade , Army of the Ohio , to August 1862 . 28th Brigade , 3rd Division , Army of the Ohio , to September 1862 . 28th Brigade , 3rd Division , I Corps , Army of the Ohio , to November 1862 . 3rd Brigade , 1st Division , Centre , Army of the Cumberland , to January 1863 . 3rd Brigade , 1st Division , XIV Corps , Army of the Cumberland , to April 1863 . 2nd Brigade , 1st Division , XIV Corps , to October 1863 . 3rd Brigade , 1st Division , XIV Corps , to July 1865 . The 79th Pennsylvania Infantry mustered out of service on July 12 , 1865 . Detailed service . Moved to Pittsburg , thence to Louisville , Ky . , October 18 , and to Nolin Station , Ky . , October 24 . Duty at Nolin until December 1861 , and at Munfordville until February 1862 . Moved to Bowling Green , Ky . , thence to Nashville , Tenn . , February 14 - March 3 . At Nashville until March 28 . Ordered to Columbia , Tenn . , and guard Nashville & Decatur Railroad until May . Expedition to Rodgersville , Ala . , May 13 – 14 . Lamb ' s Ferry May 14 . Negley ' s Expedition to Chattanooga May 28 - June 17 . Jasper , Sweeden ' s Cove , June 4 . Chattanooga June 7 – 8 . Ordered to Tullahoma , Tenn . , and duty there until August . Ordered to Nashville , thence march to Louisville , Ky . , in pursuit of Bragg August 21 - September 26 . Pursuit of Bragg into Kentucky October 1 – 16 . Battle of Perryville October 8 . Guard Louisville & Nashville Railroad at Mitchellsville November 9 - December 7 . Advance on Murfreesboro December 26 – 30 . Jefferson December 30 . Battle of Stones River December 30 – 31 , 1862 and January 1 – 3 , 1863 . Duty at Murfreesboro until June . Expedition to McMinnville April 20 – 30 . Tullahoma Campaign June 23 - July 7 . Hoover ' s Gap June 24 – 26 . Occupation of middle Tennessee until August 16 . Passage of Cumberland Mountains and Tennessee River , and Chickamauga Campaign August 16 - September 22 . Davis Cross Roads or Dug Gap September 11 . Battle of Chickamauga September 19 – 21 . Rossville Gap September 21 . Siege of Chattanooga September 24 - October 26 . Reopening Tennessee River October 26 – 29 . Battle of Chattanooga November 23 – 25 . Reenlisted February 9 , 1864 . Veterans on furlough March and April . Atlanta Campaign May 1 - September 8 . Demonstration on Rocky Faced Ridge May 8 – 11 . Battle of Resaca May 14 – 15 . Operations on line of Pumpkin Vine Creek and battles about Dallas , New Hope Church and Allatoona Hills May 25 - June 5 . Pickett ' s Mills May 27 . Operations about Marietta and against Kennesaw Mountain June 10 - July 2 . Pine Hill June 11 – 14 . Lost Mountain June 15 – 17 . Assault on Kennesaw June 27 . Ruff ' s Station , Smyrna Camp Ground , July 4 . Chattahoochie River July 5 – 17 . Peachtree Creek July 19 – 20 . Siege of Atlanta July 22 - August 25 . Utoy Creek August 5 – 7 . Flank movement on Jonesboro August 25 – 30 . Battle of Jonesboro August 31 - September 1 . Operations in northern Georgia and northern Alabama against Hood September 29 - November 3 . March to the Sea November 15 - December 10 . Siege of Savannah December 10 – 21 . Campaign of the Carolinas January to April , 1865 . League Cross Roads , near Lexington , S . C . , February 15 . Cloud ' s House February 27 . Averysboro , N . C . , March 16 . Battle of Bentonville March 19 – 21 . Occupation of Goldsboro March 24 . Advance on Raleigh April 9 – 13 . Occupation of Raleigh April 14 . Bennett ' s House April 26 . Surrender of Johnston and his army . March to Washington , D . C . , via Richmond , Va . , April 29 - May 20 . Washington , D . C . for the Grand Review May 24 . Casualties . The regiment lost a total of 268 men during service ; 4 officers and 118 enlisted men killed or mortally wounded , 1 officer and 145 enlisted men died of disease .