SIEGE OF VICKSBURG--JOHNSTON'S MOVEMENTS--FORTIFICATIONS AT HAINES' BLUFF--EXPLOSION OF THE MINE--EXPLOSION OF THE SECOND MINE--PREPARING FOR THE ASSAULT--THE FLAG OF TRUCE--MEETING WITH PEMBERTON --NEGOTIATIONS FOR SURRENDER--ACCEPTING THE TERMS --SURRENDER OF VICKSBURG--RETROSPECT OF THE CAMPAIGN--SHERMAN'S MOVEMENTS--PROPOSED MOVEMENT UPON MOBILE--A PAINFUL ACCIDENT--ORDERED TO REPORT AT CAIRO.
I NOW determined upon a regular siege--to "out-camp the enemy," as it were, and to incur no more losses. The experience of the 22d convinced officers and men that this was best, and they went to work on the defences and approaches with a will. With the navy holding the river, the investment of Vicksburg was complete. As long as we could hold our position the enemy was limited in supplies of food, men and munitions of war to what they had on hand. These could not last always.
The crossing of troops at Bruinsburg commenced April 30th. On the 18th of May the army was in rear of Vicksburg. On the 19th, just twenty days after the crossing, the city was completely invested and an assault had been made: five distinct battles (besides continuous skirmishing) had been fought and won by the Union forces; the capital of the State had fallen and its arsenals, military manufactories and everything useful for military purposes had been destroyed; an average of about one hundred and eighty miles had been marched by the troops engaged; but five days' rations had been issued, and no forage; over six thousand prisoners had been captured, and as many more of the enemy had been killed or wounded; twenty-seven heavy cannon and sixty-one field-pieces had fallen into our hands; and four hundred miles of the river, from Vicksburg to Port Hudson, had