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Co. M. Capt. Edson P. Gifford, Grand Rapids,
1st Lt. Daniel M. Moore, Rome 2d Lt. Douglas Nelson,
Isabella City, 2d Lt. Caleb A. Ensign, Jonesville.
     The officers of the three battalions were John B. Yates,
commissioned Major May 28, 1863; Perrin U. Fox, Com.
Maj. Dec. 15, 1863 and Garrett Hanings com. Maj. Jan. 1, 1864.
On June 29, 1863, the regiment moved south with the
army from Murphreesboro in the Advance on
Chattanooga, and was engaged in repairing the railroad
from Murphreesboro to Bridgeport, building bridges, etc.
A bridge over Elk River, 460 feet long and 40 to 60 feet
high was built in eight days from timber taken
from the woods, and one over Duck River 350 feet
in length, in about the same time. Later detachments
of the regiment were engaged in building bridges and
repairing the railroad leading to Bridgeport, Ala.
     During the latter months of 1863 and the early
part of 1864, the regiment was engaged in the
construction of the Nashville and Northwestern railroad
from Nashville to the Tennessee River, erecting 
block houses on the lines of railroads from
Nashville to Chattanooga, and in the construction
of storehouse and and ordinance buildings at
Bridgeport and Chattanooga. Companies L
and M completed the defenses at Stevenson, Ala.
2/

Ten of the companies were at Atlanta, Ga.,
Nov. 1, 1864, employed in constructing defenses
and destroying public property that was
useful to the Confederates. Companies L & M
were in Tennessee and did not accompany
Gen. Sherman on his march to the sea.
     Companies L & M, that had been left in 
Tennessee were assigned to duty with the
army of the Cumberland and were busily
engaged during the year in building
block houses, guarding railroads and
were frequently attacked by the enemy.
March 1, 1865 these two companies
proceeded by rail to New York where
they were sent by steamer to Beaufort
and afterward joined the regiment at
Goldsboro, N.C.
     After the surrender of Gen. Lee to Gen.
Grant, and Gen. Johnson to Gen Sherman,
the regiment proceeded to Washington
where it took part in the grand
review, May 24. The regiment was
then sent to Nashville, Tenn. where it
was employed upon the defenses
until Sept. 22, when it was mustered
out of Service. It arrived at Jackson, Mich.

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where it was paid and disbanded Oct. 1, 1865.
It is difficult to present in a brief manner the
important services rendered to the Union armies by
this regiment, the organization of which, and for
the purpose it was designed, are qutie distinct
from any other Michigan Regiment. Scarcely
an organization in the western department but
what at some time during the war was helped
and benefitted by the officers and men labors
of the officers and men of the Engineers and
Mechanics', and the movement of the great
armies of Rosecrans, Sherman and Thomas
were facilitated and combinations made practical
that otherwise would have been left to the element 
of chance.
     Engaged at Mill Springs, Ky. Jan. 19, 1862; Farmington,
Miss., May 9, 1862; siege of Corinth, May 10 to 31, 1862;
Perryville, Ky. Oct 8, 1862; Lavernge, Tenn., Jan. 1, 1863
Chattanooga, Tenn Oct. 6, 1863; Siege of Atlanta, Ga. July 22
to Sept. 2, 1864; Savannah, Ga., Dec. 11 to 21, 1864,
Averysboro, N.C. March 16, 1865; Bentonville, N.C. Mar. 19, 1865.
Total enrollment. - - - -    	2920	discharged for
Killed in action		      2	   disability (wounds & diseases
Died of wounds	                  4		                                    279:
died in Confederate prisons	      2
died of disease	    		  280