Warrens Brigade overpowered by Longstreets advance

Title inscribed below image.
Inscribed on verso: The Dureyea [sic] Zouaves lost 300 about half the regiment the McChesneys (National Zouaves) 10 N.Y. about 150 in trying to hold a gap in the line that four times their number might have defended the 10th was the first to break. Warren still tried to hold the ground and repel an attack on his left flank, but finally gave the order for those to save themselves that could This was in a field to the left of Grovetown [sic] between Butterfield and part of Reynolds line.-ARW.
Date inscribed lower right: Jun 30 1862 [incorrect].
Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.376)
Forms part of: Morgan collection of Civil War drawings.