Commanding, &c., Crab Orchard, Ky.:
GENERAL: My brother William has just arrived from East Tennessee, and the news he brings I think of so much importance, that I will dispatch a special messenger to convey it to you. My brother left Roane County, near Kingston, on Monday night last. He reports that on Friday night, 8th instant, of last week, he succeeded in having burned at least six, and perhaps eight, bridges on the railroad, viz: Union Bridge, in Sullivan County, near the Virginia line; Lick Creek Bridge, in Greene County; Strawberry Plains, in Jefferson County, 15 miles east of Knoxville, partially destroyed; Hiawassee Bridge, 70 miles southwest of Knoxville, and on the East Tennessee and Georgia. Railroad; two bridges over the Chickamauga, between Cleveland and Chattanooga, and between Chattanooga and Dalton, Georgia These bridges are certainly destroyed. The Long Island Bridge, at Bridgeport, on Tennessee River, and a bridge below Dalton, on the Western Atlantic road, are probably destroyed.
The consternation among the secessionists of East Tennessee is very great. The Union men are waiting with longing and anxiety for the appearance of Federal forces on the Cumberland Mountains, and are all ready to rise up in defense of the Federal Government. My brother states that he has it, from reliable sources that the rebels have but 15,000 men at Bowling Green, many of them badly armed and poorly organized. The other 15,000 men are distributed at two other points in Southwestern Kentucky.
The above information was obtained from Union members of Tennessee legislature who were at Bowling Green on last Monday was a week ago.
On last Monday, as nearly as could be ascertained, Zollicoffer had in East Tennessee 8,000 men, about 1,000 of whom were unarmed, and about 1,500 on sick list, most of them badly clothed, and many poorly armed. About 6,000 of the above were at different points on Cumberland Mountains; at Jacksborough there were some troops, but the exact number could not be accurately ascertained. There were 1,400 at Knoxville, but only 600 of them able to bear arms. There were 60 at London, 60 at Carter's Depot, and 300 at Jamestown.
The only troops that have passed through East Tennessee in last six weeks was an Alabama regiment, 800 strong, which went to Virginia; they were without arms.
I send you a Nashville paper, brought by my brother, containing some account of the attack on Port Royal.
I to-day moved Colonel Garrard's regiment to the ground which was occupied by the Thirty-third Indiana, and the First and Second Regiments East Tennessee to the heights where the artillery and Thirty-eighth Ohio were encamped. I have heard nothing definite since yesterday from Cumberland Gap, but I have reason to believe that the reported loss of the Union men at Cumberland Ford was not correct. If possible, general, send me some artillery, for if I am attacked with artillery I cannot resist with any hope of success. Some cavalry are also necessary to our security.
General, if it be possible, do urge the commanding general to give us some additional force and let us advance into East Tennessee; now is the time. And such a people as are those who live in East Tennessee deserve and should be relieved and protected. You know the importance of this move, and will, I hope, use all your influence to effect it. Our men will go forward with a shout to relieve their native land.
The brigade commissary has not yet handed in his report of the amount of provisions on hand; but I think we have already nearly, if not quite, a month's supply on hand.
With much respect, I am, dear general, yours, very truly,