On the 29th the enemy's gunboats came down and took their stations in front of our batteries and rifle-pits at Grand Gulf. A furious cannonade was continued for many hours, and the fleet withdrew, having one gunboat disabled, and otherwise receiving and inflicting but little damage. Among the casualties on our side was that of Colonel William Wade, the chief of artillery, an officer of great merit, alike respected and beloved, whose death was universally regretted.
In a short time the fleet reappeared from behind a point which had concealed them from view. The gunboats now had transports lashed to their farther side, and, protected by their iron shields, ran by our batteries at full speed, losing but one transport on the way.
On the evening of the 29th of April the enemy commenced ferrying over troops from the Louisiana to the Mississippi shore to a landing just below the mouth of Bayou Pierre. General Green with his brigade moved thither, and, when the enemy on the night of the 30th commenced his advance, General Green attacked him with such impressive vigor as to render their march both cautious and slow. As additional forces came up, Green retired, skirmishing. In the mean time Generals Tracy and Baldwin, with their brigades, had by forced marches joined General Green, and about daylight a more serious conflict occurred, lasting some two hours and a half, during which General Tracy, a distinguished citizen of Alabama, of whom patriotism made a soldier, fell while gallantly leading his brigade in the unequal combat in which it was engaged. Step by step, disputing the ground, Green retired to the range of hills three miles southwest of Port Gibson, where General Bowen joined him and arranged a new line of battle. The enemy's forces were steadily augmented by the arrival of reënforcements from the rear. Our troops continued most valiantly to resist until, between nine and ten o'clock, outflanked both on our right and left, their condition seemed almost hopeless, when, by a movement to which desperation gave a power quite disproportionate to the numbers, the right wing of the enemy was driven back, and our forces made good their retreat across the bridge over Bayou Pierre. General Cockerell, commanding our left wing, led this forlorn hope in person, and to the fortune which favors the brave must be attributed the few casualties which occurred in a service so hazardous. General Bowen promptly intrenched his camp on the east side of Bayou Pierre and waited for future developments. The relative forces engaged in the battle of the 1st of May were, as nearly as I have been able to learn, fifty-five hundred Confederates and twenty thousand Federals. Fresh troops were reported to be joining Grant's army, and one of his corps had been sent to cross by a ford above so as to get in rear of our position. The reënforcements which were en route to Bowen had not yet approached so near as to give him assurance of coöperation.
To divert notice from this movement to get in the rear of Bowen, on the morning of the 2d, Grant ordered artillery-fire to be opened on our intrenchments across Bayou Pierre. It was quite ineffectual, and probably was not expected to do more than occupy attention. During the forenoon Bowen sent a flag of truce to ask suspension of hostilities for the purpose of burying the dead. This was refused, and a demand made for surrender. That was as promptly as decidedly rejected, and, as the day wore away without the arrival of reënforcement, Bowen, under cover of night, commenced a retreat, his march being directed toward Grand Gulf. General Loring with his division soon joined him. Directions were sent to the garrison at Grand Gulf to dismantle the fortifications and evacuate the place. On the morning of the 3d General Grant commenced a pursuit of the retreating force, which, however, was attended with only unimportant skirmishes; Bowen, with the reënforcements which were marching to his support, recrossed the Big Black at Hankinson's Ferry, and all, under the orders of General Pemberton, were assigned to their respective positions in the army he commanded.
While the events which have just been narrated were transpiring, Colonel Grierson with three regiments of cavalry made a raid from the northern border of Mississippi through the interior of the State, and joined General Banks at Baton Rouge in Louisiana. Among the expeditions for pillage and arson this stands prominent for savage outrages against defenseless women and children, constituting a record alike unworthy a soldier and a gentleman.
Grant with his large army was now marching into the interior of Mississippi, his route being such as might either be intended to strike the capital (Jackson) or Vicksburg. The country through which he had to pass was for some distance composed of abrupt hills, and all of it poorly provided with roads. There was reasonable ground to hope that, with such difficult communications with his base of supplies, and the physical obstacles to his progress, he might be advantageously encountered at many points and be finally defeated. In such warfare as was possible, that portion of the population who were exempt or incapable of full service in the army could be very effective as an auxiliary force. I therefore wrote to the Governor, Pettus, a man worthy of all confidence, as well for his patriotism as his manhood, requesting him to use all practicable means to get every man and boy, capable of aiding their country in its need, to turn out, mounted or on foot, with whatever weapons they had, to aid the soldiers in driving the invader from our soil. The facilities the enemy possessed in river transportation and the aid which their iron-clad gunboats gave to all operations where land and naval forces could be combined were lost to Grant in this interior march which he was making. Success gives credit to military enterprises; had this failed, as I think it should, it surely would have been pronounced an egregious blunder. Other efforts made to repel the invader will be noticed in the course of the narrative.
After the retreat of Bowen which has been described. General Pemberton, anticipating an attack on Vicksburg from the rear, concentrated all the troops of his command for its defense. All previous demonstrations indicated the special purpose of the enemy to be its capture. Its strategic importance justified the belief that he would concentrate his efforts upon that object, and this opinion was enforced by the difficulty of supplying his army in the region into which he was marching, and the special advantages of Vicksburg as his base. The better mode of counteracting his views, whatever they might be, it would be more easy now to determine than it was when General Pemberton had to decide that question. The superior force of the enemy enabled him at the same time, while moving the main body of his troops through Louisiana to a point below Vicksburg, to send a corps to renew the demonstration against Haines's Bluff. Finding due preparation made to resist an attack there, this demonstration was merely a feint, but, had Pemberton withdrawn his troops, that feint could have been converted into a real attack, and the effort so often foiled to gain the heights above Vicksburg would have become a success. When that corps retired, and proceeded to join the rest of Grant's army which had gone toward Grand Gulf, Pemberton commenced energetically to prepare for what was now the manifest object of the enemy. From his headquarters at Jackson, Mississippi, he, on the 23d of April, directed Major-General Stevenson, commanding at Vicksburg, "that communications, at least for infantry, should be made by the shortest practicable route to Grand Gulf. The indications now are that the attack will not be made on your front or right, and all troops not absolutely necessary to hold the works at Vicksburg should be held as a movable force for either Warrenton or Grand Gulf." On the 28th Brigadier-General Bowen, commanding at Grand Gulf, reported that "transports and barges loaded down with troops are landing at Hard-Times on the west bank." Pemberton replied by asking: "Have you force enough to hold your position? If not, give me the smallest additional number with which you can." At this time the small cavalry force remaining in Pemberton's command compelled him to keep infantry detachments at many points liable to be attacked by raiding parties of the enemy's mounted troops, a circumstance seriously interfering with the concentration of the forces of his command. Instructions were sent to all the commanders of his cavalry detachments to move toward Grand Gulf, to harass the enemy in flank and rear, obstructing, as far as might be, communications with his base. A dispatch was sent to Major-General Buckner, commanding at Mobile, asking him to protect the Mobile and Ohio Railroad, as Pemberton required all the troops he could spare to strengthen General Bowen. A dispatch was also sent to General J. E. Johnston, at Tullahoma, saying that the Army of Tennessee must be relied on to guard the approaches through north Mississippi. To Major-General Stevenson, at Vicksburg, he sent a dispatch: "Hold five thousand men in readiness to move to Grand Gulf, and, on the requisition of Brigadier-General Bowen, move them; with your batteries and rifle-pits manned, the city front is impregnable." At the same time the following was sent to General Bowen: "I have directed General Stevenson to have five thousand men ready to move on your requisition, but do not make requisition unless absolutely necessary for your position. I am also making arrangements for sending you two or three thousand men from this direction in case of necessity."
The policy was here manifested of meeting the enemy in the hills east of the point of his debarkation, yet all unfriendly criticism has treated General Pemberton's course on that occasion as having been voluntarily to withdraw his troops to within the intrenchments of Vicksburg. His published reports show what early and consistent efforts he made to avoid that result.
After General J. E. Johnston had recovered from the wound received at Seven Pines, he was on the 24th of November, 1862, by special order No. 275, assigned to the command of a geographical department including the States of Tennessee, Mississippi, Alabama, and parts of Louisiana, Georgia, and North Carolina. The order gives authority to establish his headquarters wherever, in his judgment, will best secure facilities for ready communication with the troops of his command; and provides that he "will repair to any part of said command whenever his presence may for the time be necessary or desirable." While the events which have been described were occurring in Pemberton's command, he felt seriously the want of cavalry, and was much embarrassed by the necessity for substituting portions of his infantry to supply the deficiency of cavalry.
These embarrassments and the injurious consequences attendant upon them were frequently represented. In his report he states, after several other applications for cavalry, that on March 25th he wrote to General Johnston, commanding department, "urgently requesting that the division of cavalry under Major-General Van Dorn, which had been sent to the Army of Tennessee for special and temporary purposes, might be returned." He gives the following extract from General Johnston's reply of April 3d to his request: