The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 2: Two Years of Grim War.
Francis Trevelyan Miller, Ed.

the army now settled down to a wearisome siege. For six weeks, they encircled the city with trenches, approaching nearer and nearer to the defending walls; they exploded mines; they shot at every head that appeared above the parapets. One by one the defending batteries were silenced. The sappers slowly worked their way toward the Confederate ramparts. Miners were busy on both sides burrowing beneath the fortifications. At three o'clock on the afternoon of June 25th a redoubt in the Confederate works was blown into the air, breaking into millions of fragments and disclosing guns, men, and timber. With the mine explosion, the Federal soldiers before the redoubt began to dash into the opening, only to meet with a withering fire from an interior parapet which the Confederates had constructed in anticipation of this event. The carnage was appalling to behold; and when the soldiers of the Union finally retired they had learned a costly lesson which withheld them from attack when another mine was exploded on July 1st.

Meantime, let us take a view of the river below and the life of the people within the doomed city. Far down the river, two hundred and fifty miles from Vicksburg, was Port Hudson. The place was fortified and held by a Confederate force under General Gardner. Like Vicksburg, it was besieged by a Federal army, under Nathaniel P. Banks, of Cedar Mountain fame. On May 27th, he made a desperate attack on the works and was powerfully aided by Farragut with his fleet in the river. But aside from dismounting a few guns and weakening the foe at a still heavier cost to their own ranks, the Federals were unsuccessful. Again, on June 10th, and still again on the 14th, Banks made fruitless attempts to carry Port Hudson by storm. He then, like Grant at Vicksburg, settled down to a siege. The defenders of Port Hudson proved their courage by enduring every hardship.