There were no mortars with the besiegers, except what the navy had in front of the city; but wooden ones were made by taking logs of the toughest wood that could be found, boring them out for six or twelve pound shells and binding them with strong iron bands. These answered as coehorns, and shells were successfully thrown from them into the trenches of the enemy.

The labor of building the batteries and intrenching was largely done by the pioneers, assisted by negroes who came within our lines and who were paid for their work; but details from the troops had often to be made. The work was pushed forward as rapidly as possible, and when an advanced position was secured and covered from the fire of the enemy the batteries were advanced. By the 30th of June there were two hundred and twenty guns in position, mostly light field-pieces, besides a battery of heavy guns belonging to, manned and commanded by the navy. We were now as strong for defence against the garrison of Vicksburg as they were against us; but I knew that Johnston was in our rear, and was receiving constant reinforcements from the east. He had at this time a larger force than I had had at any time prior to the battle of Champion's Hill.

As soon as the news of the arrival of the Union army behind Vicksburg reached the North, floods of visitors began to pour in. Some came to gratify curiosity; some to see sons or brothers who had passed through the terrible ordeal; members of the Christian and Sanitary Associations came to minister to the wants of the sick and the wounded. Often those coming to see a son or brother would bring a dozen or two of poultry. They did not know how little the gift would be appreciated. Many of the soldiers had lived so much on chickens, ducks and turkeys without bread during the march, that the sight of poultry, if they could get bacon, almost took away their appetite. But the intention was good.

Among the earliest arrivals was the Governor of Illinois, with most of the State officers. I naturally wanted to show them what there was of most interest. In Sherman's front the ground was the most broken and most wooded, and more was to be seen without exposure. I therefore took them to Sherman's headquarters and presented them. Before starting out to look at the lines—possibly while Sherman's horse was being saddled—there were many questions asked about the late campaign, about which the North had been so imperfectly informed. There was a little knot around Sherman and another around me, and I heard Sherman repeating, in the most animated manner, what he had said to me when we first looked down from Walnut Hills upon the land below on the 18th of May, adding: "Grant is entitled to every bit of the credit for the campaign; I opposed it. I wrote him a letter about it." But for this speech it is not likely that Sherman's opposition would have ever been heard of. His untiring energy and great efficiency during the campaign entitle him to a full share of all the credit due for its success. He could not have done more if the plan had been his own.

[NOTE.—When General Sherman first learned of the move I proposed to make, he called to see me about it. I recollect that I had transferred my headquarters from a boat in the river to a house a short distance back from the levee. I was seated on the piazza engaged in conversation with my staff when Sherman came up. After a few moments' conversation he said that he would like to see me alone. We passed into the house together and shut the door after us. Sherman then expressed his alarm at the move I had ordered, saying that I was putting myself in a position voluntarily which an enemy would be glad to manoeuvre a year—or a long time—to get me in. I was going into the enemy's country, with a large river behind me and the enemy holding points strongly fortified above and below. He said that it was an axiom in war that when any great body of troops moved against an enemy they should do so from a base of supplies, which they would guard as they would the apple of the eye, etc. He pointed out all the difficulties that might be encountered in the campaign proposed, and stated in turn what would be the true campaign to make. This was, in substance, to go back until high ground could be reached on the east bank of the river; fortify there and establish a depot of supplies, and move from there, being always prepared to fall back upon it in case of disaster. I said this would take us back to Memphis. Sherman then said that was the very place he would go to, and would move by railroad from Memphis to Grenada, repairing the road as we advanced. To this I replied, the country is already disheartened over the lack of success on the part of our armies; the last election went against the vigorous prosecution of the war, voluntary enlistments had ceased throughout most of the North and conscription was already resorted to, and if we went back so far as Memphis it would discourage the people so much that bases of supplies would be of no use: neither men to hold them nor supplies to put in them would be furnished. The problem for us was to move forward to a decisive victory, or our cause was lost. No progress was being made in any other field, and we had to go on. Sherman wrote to my adjutant general, Colonel J. A. Rawlins, embodying his views of the campaign that should be made, and asking him to advise me to at least get the views of my generals upon the subject. Colonel Rawlins showed me the letter, but I did not see any reason for changing my plans. The letter was not answered and the subect was not subsequently mentioned between Sherman and myself to the end of the war, that I remember of. I did not regard the letter as official, and consequently did not preserve it. General Sherman furnished a copy himself to General Badeau, who printed it in his history of my campaigns. I did not regard either the conversation between us or the letter to my adjutant-general as protests, but simply friendly advice which the relations between us fully justified. Sherman gave the same energy to make the campaign a success that he would or could have done if it had been ordered by himself. I make this statement here to correct an impression which was circulated at the close of the war to Sherman's prejudice, and for which there was no fair foundation.]

On the 26th of May I sent Blair's division up the Yazoo to drive out a force of the enemy supposed to be between the Big Black and the Yazoo. The country was rich and full of supplies of both food and forage. Blair was instructed to take all of it. The cattle were to be driven in for the use of our army, and the food and forage to be consumed by our troops or destroyed by fire; all bridges were to be destroyed, and the roads rendered as nearly impassable as possible. Blair went forty-five miles and was gone almost a week. His work was effectually done. I requested Porter at this time to send the marine brigade, a floating nondescript force which had been assigned to his command and which proved very useful, up to Haines' Bluff to hold it until reinforcements could be sent.

On the 26th I also received a letter from Banks, asking me to reinforce him with ten thousand men at Port Hudson. Of course I could not comply with his request, nor did I think he needed them. He was in no danger of an attack by the garrison in his front, and there was no army organizing in his rear to raise the siege.

On the 3d of June a brigade from Hurlbut's command arrived, General Kimball commanding. It was sent to Mechanicsburg, some miles north-east of Haines' Bluff and about midway between the Big Black and the Yazoo. A brigade of Blair's division and twelve hundred cavalry had already, on Blair's return from the Yazoo, been sent to the same place with instructions to watch the crossings of the Big Black River, to destroy the roads in his (Blair's) front, and to gather or destroy all supplies.

On the 7th of June our little force of colored and white troops across the Mississippi, at Milliken's Bend, were attacked by about 3,000 men from Richard Taylor's trans-Mississippi command. With the aid of the gunboats they were speedily repelled. I sent Mower's brigade over with instructions to drive the enemy beyond the Tensas Bayou; and we had no further trouble in that quarter during the siege. This was the first important engagement of the war in which colored troops were under fire. These men were very raw, having all been enlisted since the beginning of the siege, but they behaved well.

On the 8th of June a full division arrived from Hurlbut's command, under General Sooy Smith. It was sent immediately to Haines' Bluff, and General C. C. Washburn was assigned to the general command at that point.