Yes, there is only one document authenticating that of his 11 cards which may be obtained through the service noted in the Red enclosed box above. You will need these hard copies to sort through the exact dates of his travels.

Isaac M. Goodwin, 20 year old Farmer, Private, Company I, 4th Tennessee Cavalry, U. S. A., enlisted September 10, 1863 at Harrison, Tennessee for 3 years. promoted Corporal, March 25, 1864, , recorded on the July & August, 1864 muster roll as "Supposed to be captured by the enemy While on Road in Ga.," near Newman, Georgia, July 30, 1864, "missing on the march," confined at Andersonville, date not given, admitted to the hospital at Andersonville, Georgia, gunshot wound, moved to Savannah November 15, the November & December, 1864 muster roll notes: "Prisoner of War Captured Aug. 5/64. But in Parole Camp," recorded the end of the year as in (Paroled Prisoner), Camp Parole, U. S. A. Hospital, near Annapolis, Md., and on furlough, among a detachment of paroled and exchanged prisoners forwarded from Columbus, Ohio, to Cincinnati, Ohio January 25, 1865, returned to regiment and recorded present on the January & February, 1865 muster roll, mustered ou July 12, 1865 at Nashville, retained one Colts Army pistol & Equipments, description: 5' 10", fair complexion, blue eyes, dark hair, born in Bradley County, Tenn.

M395: Compiled Service Records of Volunteer Union Soldiers Who Served in Organizations from the State of Tennessee