I am looking for thde whereabouts of my Great Grandfather during his service in the Union ARMY

Enlisted as a Private on 20 November 1861 at the age of 20.
Deserted.

Enlisted as a Private on 20 November 1861 at the age of 20.
Killed on 9 April 1864 at Pleasant Hill, LA.

Enlisted as a Private on 20 November 1861 at the age of 19.
Died on 2 June 1863

Samuel A. Ross was born in 1829, the son of Abraham and Abigail (Sedgeley) Ross. His father died in 1838, leaving his mother as the head of a family of eight children. By 1850 Ross was married to Hannah Dodge, daughter of a Rangeley farmer who is said to have been the area's first physician. In 1860, Ross was a blacksmith in Rangeley with two small children. He enlisted in Company E, 13th Maine Infantry, on December 10, 1861, and is thought to have received some medical training in the Army. He was discharged because of disability on March 8, 1864. In 1870, Ross and his wife and young son lived in Rangeley and he was employed as a river driver. In 1880 and afterward he described himself as a physician. In 1887 he advertised as 'S.A. Ross, M.D., Allopathic Physician and Surgeon' and had an office next to the Rangeley Lake House. He died on September 23, 1909 and his wife died in 1914. They are buried in Evergreen Cemetery and the graves of two of their sons are at the Schoolhouse Cemetery.

Henry joined the 13th at Portland, also with his son William H. Phelps, and later in the war his other son George N. Phelps joined the 13th also.

Enlisted as a Private on 13 December 1861 at the age of 20. Promoted to Full Corporal (1862).
Promoted to Full Sergeant (1864).
Transferred into Company K, 30th Infantry Regiment Maine on 1 January 1865.