1st Regiment Michigan Engineers and Mechanics

 Organized at Marshall, Mich., September 12, 1861, and mustered in to date October 29, 1861. Left
State for Louisville, Ky., December 17, 1861. Assigned to duty by Detachments as follows: Companies
"D," "F" and "G" with Thomas' 1st Division, Army of the Ohio; Companies "B," "E" and "I" with
McCook's 2nd Division, Army of the Ohio; Companies "C" and "H" with Mitchell's 3rd Division, Army of
the Ohio, and Companies "A" and "K" with Nelson's 4th Division, Army of the Ohio, to June, 1862.
Unattached, Army of the Ohio, to November, 1862. Unattached, Dept. of the Cumberland, to muster out.

SERVICE.--Companies "D," "F" and "G" with Thomas at Camp Dick Robinson and Somerset, Ky.
constructing roads to Mill Springs, Action at Mill Springs January 19, 1862. Other Companies on Green
River, Ky., building storehouses, fortifications, etc., until February, 1862. Advance on Bowling Green,
Ky. February 14-15. Occupation of Bowling Green February 15 (Cos. "C" and "H"). Advance on
Nashville, Tenn., February 14-28. Engaged in building railroad bridges at Franklin, Columbia,
Murfreesboro, etc., until April. 8 Companies moved to Shiloh, Tenn., April 3-15, building bridges and
repairing roads. 2 Companies remained with Mitchell and engaged in running trains, etc., on Memphis &
Charleston Railroad and Nashville & Decatur Railroad during May.

  Regiment engaged and advanced on the siege of Corinth, Miss., April 29-May 30. Skirmish near
Corinth May 9. Buell's Campaign on line of the Memphis & Charleston Railroad in Northern Alabama
and Middle Tennessee June to August, building bridges, repairing railroad, etc. At Huntsville, Ala., and
building bridges, repairing track and running trains on the Tennessee & Alabama Railroad and the
Memphis & Charleston Railroad until August. Companies "C," "F," "I" and "K" at Stevenson, Ala., until
August; rejoining Regiment near Gallatin until September. Companies "A," "B," "D," "G" and "H" moved
to Nashville, Tenn., August 20-22, and building bridges on the Louisville & Nashville Railroad until
September 16.

 Marched in advance of the Army to Louisville, Ky., September 16-26. Pursuit of Bragg into Kentucky
October 1-22. Battle of Perryville October 8 (Cos. "A," "C" and "H"). March to Nashville, Tenn.,
October 22-November 7, and to Mill Creek, near Nashville, November 22. Duty there until December
31. Battle of Stone River December 31, 1862, and January 1-3, 1863. Lavergne January 1, 1863.
Repulse of Forest's attack.

 Duty at Lavergne, Murfreesboro, etc., until June 29 building bridges, magazines, repairing railroad and
other engineering work. Repairing line of the Nashville & Chattanooga Railroad from Murfreesboro to
Bridgeport, Ala., until September. Engineering duty at Chattanooga, Bridgeport, Stevenson and on line of
the Nashville & Chattanooga Railroad, Nashville & Northwestern Railroad, Tennessee & Alabama
Railroad and Memphis & Charleston Railroad building block houses, etc., until May, 1864. Chattanooga
October 6, 1863. Re-opening Tennessee River October 26-29, 1863. Brown's Ferry October 27, 1863.
1 Battalion at Chattanooga May, 1864. 1st Battalion on Memphis & Charleston Railroad building block
houses from Decatur to Stevenson, Ala., until June. Companies "L" and "M" at Stevenson, Ala., until
November 28, 1864.

 Regiment on duty on the Atlantic & Western Railroad building block houses, etc., until September.
Ordered to Atlanta, Ga., September 25. Old members mustered out October 31, 1864. Duty at Atlanta
September 28 to November 15. March to the sea destroying railroad track, bridges and repairing and
making roads November 15-December 10. Siege of Savannah December 10-21.

 Carolina Campaign January to April, 1865. South Edisto River, S.C., February 9. North Edisto River
February 12-13. Columbia February 16-17. Fayetteville, N. C., March 11. Averysboro March 16.
Battle of Bentonville March 19-21. Occupation of Goldsboro March 24. (Cos. "L" and "M" detached at
Stevenson, Ala., working on fortifications there and on Nashville & Chattanooga Railroad building block
houses, etc., until December, 1864; then at Nashville, Tenn., until March, 1865. Participated in siege of
Murfreesboro, Tenn., December 5-12, 1864. Near Murfreesboro December 15. Co. "L" captured.
Rejoined Regiment at Goldsboro, N. C., March 25, 1865.)

 Advanced on Raleigh April 10-14. 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.

 Grand Review May 24. Ordered to Louisville, Ky., June 6; thence to Nashville, Tenn. Duty at Nashville
July 1 to September 22. Mustered out September 22, and discharged at Jackson, Mich., October 1,

 The Regiment lost during service 1 Officer and 12 Enlisted men killed and mortally wounded and 351
Enlisted men by disease. Total: 364.