he hoped to carry away our pontoon, and thus cut off our communication with the country beyond. To thwart this plan, an iron cable, one thousand feet in length, was stretched across the river above the bridge. This was done under the direction of Captain Poe. Afterwards, a boom of logs, fastened end to end by chains, was constructed still farther up the river. The boom was fifteen hundred feet in length.
On the evening of the 23d the Rebels made an attack on our pickets in front of the left of the Second Division, Ninth Corps. In falling back, our men fired the buildings on the ground abandoned, lest they should become a shelter for the enemy's sharpshooters. Among the buildings thus destroyed were the arsenal and machine-shops near the depot. The light of the blazing buildings illuminated the whole town. The next day the Twenty-first Massachusetts and another picked regiment, the whole under the command of Lieutenant-Colonel Hawkes of the Twenty-first, drove back the Rebels at this point, and reoccupied our old position.
The same day an attack was made by the Second Michigan on the advanced parallel, which the enemy had so constructed as to envelop the northwest bastion of Fort Sanders. The works were gallantly carried; but before the supporting columns could come up, our men were repulsed by fresh troops which the enemy had at hand.
On the 25th of November the enemy, having on the day previous crossed the Holston at a point below us, made another unsuccessful attempt to occupy the heights opposite Knoxville. He succeeded, however, in planting a battery on a knob about one hundred and fifty feet above the river, and twenty-five hundred yards south of Fort Sanders. This position commanded Fort Sanders, so that it now became necessary to defilade the fort.
November 26th was our national Thanksgiving day, and General Burnside issued an order, in which he expressed the hope that the day would be observed by all, as far as military operations would allow. He knew the rations were short, and that the day would be unlike the joyous festival we were wont to celebrate in our distant homes; and so he reminded us of the circumstances of trial under which our fathers first observed the day. He also reminded us of the debt of gratitude which we owed to Him who during the year had not only prospered our arms, but had kindly preserved our lives. Accordingly, we ate our corn bread with thanksgiving; and, forgetting our own privations, thought only of the loved ones at home, who, uncertain of our fate, would that day find little cheer at the table and by the fireside.
Allusion has already been made to the bastion-work known as Fort Sanders. A more particular description is now needed. The main line, held by our troops, made almost a right angle at the fort, the northwest bastion being the salient of the angle. The ground in front of the fort, from which the wood had been cleared, sloped gradually for a distance of eighty yards, and then abruptly descended to a wide ravine. Under the direction of Lieutenant Benjamin, Second United States Artillery, and Chief of Artillery of the Army of the Ohio, the fort had now been made as strong as the means at his disposal and the rules of military art admitted. Eighty and thirty yards in front of the fort, rifle-pits were constructed. These were to be used in case our men were driven in from the outer line. Between these pits and the Fort were wire entanglements, running from stump to stump, and also an abatis. Sand-bags and barrels were arranged so as to cover the embrasures. Traverses, also, were built for the protection of the men at the guns, and in passing from one position to another. In the fort were four twenty-pounder Parrotts (Benjamin's battery), four light twelve-pounders (of Buckley's battery), and two three-inch guns.
Early in the evening of the 27th there was much cheering along the Rebel lines. Their bands, too, were unusually