This resulted in our carrying and holding the enemy's first line of works in front of the right of the 6th corps, and in front of General Smith. During the attack the enemy made repeated assaults on each of the corps not engaged in the main attack, but was repulsed with heavy loss in every instance. That night he made several assaults to regain what he had lost in the day, but failed. The 2d was spent in getting troops into position for an attack on the 3d. On the 3d of June we again assaulted the enemy's works, in the hope of driving him from his position. In this attempt our loss was heavy, while that of the enemy, I have reason to believe, was comparatively light. It was the only general attack made from the Rapidan to the James which did not inflict upon the enemy losses to compensate for our own losses. I would not be understood as saying that all previous attacks resulted in victories to our arms, or accomplished as much as I had hoped from them; but they inflicted upon the enemy severe losses, which tended, in the end, to the complete overthrow of the rebellion.
From the proximity of the enemy to his defences around Richmond, it was impossible, by any flank movement, to interpose between him and the city. I was still in a condition to either move by his left flank, and invest Richmond from the north side, or continue my move by his right flank to the south side of the James. While the former might have been better as a covering for Washington, yet a full survey of all the ground satisfied me that it would be impracticable to hold a line north and east of Richmond that would protect the Fredericksburg Railroad, a long, vulnerable line, which would exhaust much of our strength to guard, and that would have to be protected to supply the army, and would leave open to the enemy all his lines of communication on the south side of the James. My idea, from the start, had been to beat Lee's army north of Richmond, if possible. Then, after destroying his lines of communication north of the James River, to transfer the army to the south side, and besiege Lee in Richmond, or follow him south if he should retreat. After the battle of the Wilderness, it was evident that the enemy deemed it of the first importance to run no risks with the army he then had. He acted purely on the defensive, behind breastworks, or feebly on the offensive immediately in front of them, and where, in case of repulse, he could easily retire behind them. Without a greater sacrifice of life than I was willing to make, all could not be accomplished that I had designed north of Richmond. I therefore determined to continue to hold substantially the ground we then occupied, taking advantage of any favorable circumstances that might present themselves, until the cavalry could be sent to Charlottesville and Gordonsville to effectually break up the railroad connection between Richmond and the Shenandoah Valley and Lynchburg; and when the cavalry got well off, to move the army to the south side of the James River, by the enemy's right flank, where I felt I could cut off all his sources of supply, except by the canal.
On the 7th, two divisions of cavalry, under General Sheridan, got off on the expedition against the Virginia Central Railroad, with instructions to Hunter, whom I hoped he would meet near Charlottesville, to join his forces to Sheridan's, and after the work laid out for them was thoroughly done, to join the Army of the Potomac by the route laid down in Sheridan's instructions.
On the 10th of June, General Butler sent a force of infantry, under General Gillmore, and of cavalry under General Kautz, to capture Petersburg, if possible, and destroy the railroad and common bridges across the Appomattox. The cavalry carried the works on the south side, and penetrated well in towards the town, but were forced to retire. General Gillmore, finding the works which he approached very strong, and deeming an assault impracticable, returned to Bermuda Hundred without attempting one.
Attaching great importance to the possession of Petersburg, I sent back to Bermuda Hundred and City Point, General Smith's command by water, via the White House, to reach there in advance of the Army of the Potomac. This was for the express purpose of securing Petersburg before the enemy, becoming aware of our intention, could reinforce the place.
The movement from Cold Harbor commenced after dark on the evening of the 12th. One division of cavalry, under General Wilson, and the 5th corps, crossed the Chickahominy at Long Bridge, and moved out to White Oak Swamp, to cover the crossings of the other corps. The advance corps reached James River, at Wilcox's Landing and Charles City Court House, on the night of the 13th.