 It was stationed, until the 11th of June, 1864, on the north side of the Tennessee River, near Chattanooga, and was employed in building a bridge over the river, and in the erection of storehouses in Chattanooga.At the above date the regiment was ordered to Lookout Mountain, where it was engaged in building hospitals, running mills, and in the performance of the usual picket duty, until the 20th of September following, when it was relieved from further duty with the Engineer Corps.On the 27th of September the regiment left Lookout Mountain for Tullahoma, thence it proceeded to Nashville.