Sherman reached Bridgeport about noon of the 17th and found Blair with the pontoon train already there. A few of the enemy were intrenched on the west bank, but they made little resistance and soon surrendered. Two divisions were crossed that night and the third the following morning.
On the 18th I moved along the Vicksburg road in advance of the troops and as soon as possible joined Sherman. My first anxiety was to secure a base of supplies on the Yazoo River above Vicksburg. Sherman's line of march led him to the very point on Walnut Hills occupied by the enemy the December before when he was repulsed. Sherman was equally anxious with myself. Our impatience led us to move in advance of the column and well up with the advanced skirmishers. There were some detached works along the crest of the hill. These were still occupied by the enemy, or else the garrison from Haines' Bluff had not all got past on their way to Vicksburg. At all events the bullets of the enemy whistled by thick and fast for a short time. In a few minutes Sherman had the pleasure of looking down from the spot coveted so much by him the December before on the ground where his command had lain so helpless for offensive action. He turned to me, saying that up to this minute he had felt no positive assurance of success. This, however, he said was the end of one of the greatest campaigns in history and I ought to make a report of it at once. Vicksburg was not yet captured, and there was no telling what might happen before it was taken; but whether captured or not, this was a complete and successful campaign. I do not claim to quote Sherman's language; but the substance only. My reason for mentioning this incident will appear further on.
McPherson, after crossing the Big Black, came into the Jackson and Vicksburg road which Sherman was on, but to his rear. He arrived at night near the lines of the enemy, and went into camp. McClernand moved by the direct road near the railroad to Mount Albans, and then turned to the left and put his troops on the road from Baldwin's ferry to Vicksburg. This brought him south of McPherson. I now had my three corps up the works built for the defence of Vicksburg, on three roads--one to the north, one to the east and one to the south-east of the city. By the morning of the 19th the investment was as complete as my limited number of troops would allow. Sherman was on the right, and covered the high ground from where it overlooked the Yazoo as far south-east as his troops would extend. McPherson joined on to his left, and occupied ground on both sides of the Jackson road. McClernand took up the ground to his left and extended as far towards Warrenton as he could, keeping a continuous line.
On the 19th there was constant skirmishing with the enemy while we were getting into better position. The enemy had been much demoralized by his defeats at Champion's Hill and the Big Black, and I believed he would not make much effort to hold Vicksburg.
Accordingly, at two o'clock I ordered an assault. It resulted in securing more advanced positions for all our troops where they were fully covered from the fire of the enemy.
The 20th and 21st were spent in strengthening our position and in making roads in rear of the army, from Yazoo River or Chickasaw Bayou. Most of the army had now been for three weeks with only five days' rations issued by the commissary. They had an abundance of food, however, but began to feel the want of bread. I remember that in passing around to the left of the line on the 21st, a soldier, recognizing me, said in rather a low voice, but yet so that I heard him, "Hard tack." In a moment the cry was taken up all along the line, "Hard tack! Hard tack!" I told the men nearest to me that we had been engaged ever since the arrival of the troops in building a road over which to supply them with everything they needed. The cry was instantly changed to cheers. By the night of the 21st all the troops had full rations issued to them. The bread and coffee were highly appreciated.
I now determined on a second assault. Johnston was in my rear, only fifty miles away, with an army not much inferior in numbers to the one I had with me, and I knew he was being reinforced.
There was danger of his coming to the assistance of Pemberton, and after all he might defeat my anticipations of capturing the garrison if, indeed, he did not prevent the capture of the city. The immediate capture of Vicksburg would save sending me the reinforcements which were so much wanted elsewhere, and would set free the army under me to drive Johnston from the State. But the first consideration of all was--the troops believed they could carry the works in their front, and would not have worked so patiently in the trenches if they had not been allowed to try.
The attack was ordered to commence on all parts of the line at ten o'clock A.M. on the 22d with a furious cannonade from every battery in position. All the corps commanders set their time by mine so that all might open the engagement at the same minute.
The attack was gallant, and portions of each of the three corps succeeded in getting up to the very parapets of the enemy and in planting their battle flags upon them; but at no place were we able to enter. General McClernand reported that he had gained the enemy's intrenchments at several points, and wanted reinforcements. I occupied a position from which I believed I could see as well as he what took place in his front, and I did not see the success he reported. But his request for reinforcements being repeated I could not ignore it, and sent him Quinby's division of the 17th corps. Sherman and McPherson were both ordered to renew their assaults as a diversion in favor of McClernand. This last attack only served to increase our casualties without giving any benefit whatever. As soon as it was dark our troops that had reached the enemy's line and been obliged to remain there for security all day, were withdrawn; and thus ended the last assault upon Vicksburg.