The correct answer is that only the Consolidated Brigade of Barlow's 1st Division was engaged.
Capt. Nelson Penfield, commanding 125th NY Inf. reports, "When we came near the Weldon railroad skirmishers were thrown out, and in the skirmishing that followed the regiment lost 6 men, as follows [4 wia 2 mia]" Report of Capt. Nelson Penfield in OR Vol. 40, Pt. 1, p. 352.
Capt. John R. Geddis of the 126th NY Infantry reports: ". . . were engaged June 21 and 22 in our unsuccessful attempt to advance the lines on the extreme left." Report of Capt. John R. Geddis OR Vol. 40, Pt. 1, p. 353.
Capt. M.W. Murdock, 111th NY Infantry reports: ". . participated in engagements on the 18th, 21st, and 22d. . . " Report of M.W. Murdock OR Vol. 40, Pt. 1, p. 352.
Capt. I. Hart Wilder, 126th NY, reports: "The regiment was also engaged on the 17th, 21st and 22nd of June. . ." Report of I. Hart Wilder OR Vol. 40, Pt. 1, p. 348.
The entire brigade was not engaged. The 63rd NY built breastworks and picketed. Report of Capt. Alexander Watts OR Vol. 40, Pt. 1, p. 348. The 69th NY put up intrenchments. Report of Capt. Robert H. Milliken OR Vol. 40, Pt. 1, p. 349.
Bryce