Third U.S. Infantry
First Brigade - Second Division
Army of the Potomac
Fifth Corps
Second Division First Brigade
Third U.S. Infantry
Six Companies
Captain Henry W. Freedly and Captain Richard G. Lay
Commanding
July 2 Arrived in the morning and took position near the line of the Twelfth Corps. The Regiment with the Brigade moved from the right to the left of the line and at 5 p.m. advanced across Plum Run near Little Round Top and supported the Second Brigade in its advance to the crest of the rocky wooded hill beyond and facing to the left engaged the Confederates but retired under a deadly fire on the left right and rear after the Confederates had gained a position in the Wheatfield in the rear of the Brigade and took position on east slope of Little Round Top.
July 3 Remained in same position
July 4 The Regiment with the Brigade made a reconnoissance and developed a force of the Confederate Infantry and Artillery in force.
Casualties killed 3 men wounded 4 officers and 83 men missing 1 man.
Marker is on Ayres Avenue, on the left when traveling south.
Courtesy hmdb.org