...ses in front of the works. This affair is thus given by General Barnard: Upon the arrival of dismounted men of the second division cavalry corps, Army of the Potomac, 600 of them, under command of Major G. Briggs , advanced at half-past 1 P. M., and drove the enemy's skirmishers back about a thousand yards, and thus restored in some degree confidence to the defenders. I witnessed this affair, and at that tim...