... defenses of Petersburg, with but 13,000 men of all arms, to receive Burnside's assault on the morning of the 30th. Meade was reluctant to spring his mine without having the steady Hancock behind Burnside , so Grant recalled the half of the Second corps, gave up the idea of a direct movement on Richmond, and reinforced Burnside, as Meade desired. Sheridan's cavalry was also brought back, to create a ...