Artillery Brigade
Sixth Corps
Army of the Potomac
Sixth Corps
Artillery Brigade
Col. Charles H. Tompkins
Mass. 1st Battery A, Six 12 pounder
Capt William H. McCartney
New York 1st Battery, Six 3 inch Rifles
Capt. Andrew Cowan
New York 3d Battery, Six 10 pounder Parrotts
Capt. William A. Harn
1st Rhode Island Battery C, Six 3 inch Rifles
Capt. Richard Waterman
1st Rhode Island Battery G, Six 10 pounder Parrotts
Capt. George W. Adams
2d U.S. Battery D, Six 12 pounders
Lieut. Edward B. Williston
2d U.S. Battery G, Six 12 pounders
Lieut. John H. Butler
5th U.S. Battery F, Six 10 pounder Parrott
Lieut. Leonard Martin
July 2 Arrived in the afternoon and evening from Manchester Md. and the artillery was placed under the orders of Brig. Gen. H. J. Hunt Chief of Artillery of the army.
July 3 The Batteries were placed in reserve on different portions of the field so as to be available but with the exception of 1st New York Battery were not actively engaged.
Casualties. Killed 4 men. Wounded 2 officers 6 men. Total 12.
Marker is at the intersection of Sedgwick Avenue and United States Avenue, on the left when traveling north on Sedgwick Avenue.
Courtesy hmdb.org