... Col. Rives, who commanded the Fourth division in the absence of Gen. Slack, led his regiment and Col. Hughes's along the river bank. to a point immediately beneath, and west of the fortifications; Gen. McBride 's command, and a portion of Gen. Harris's having been ordered to reinforce him. Col. Rives, in order to cut off the enemy's means of escape, proceeded down the bank of the river to capture a steamboa...