MURFREESBOROUGH, June 20, 1863.

General HARTSUFF:

Morgan is reported 9 miles from Lebanon, probably on his way into Kentucky, or perhaps to Carthage. His forces reported 4,000 and one battery.

W.S. ROSECRANS,

Major-General.

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CINCINNATI, OHIO, June 20, 1863.

Maj. Gen. H.W. HALLECK,

General-in-Chief:

General Parke, with all his command but two brigades, joined General Grant the 14th. The two remaining brigades passed Memphis on the 15th, so that all his command is with him except Edwards’ battery, detained by General Asboth. I have heard nothing of the expedition sent into East Tennessee and Western Virginia. It is understood now that no considerable forces have been sent out of East Tennessee. I have nevertheless started another force to Jamestown, Tenn., and will follow it up by all available force if found expedient to proceed.

A.E. BURNSIDE,

Major-General, Commanding.

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SOMERSET, KY., June 20, 1863 — 2.05 a.m.

General HARTSUFF:

Dispatch received. Will start 1,000 mounted men, under Colonel Kautz, by 6 a.m., toward Jamestown, supported by regiment of infantry and a battery.

CARTER.

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SOMERSET, June 20, 1863.

General STURGIS:

The news I receive through scouts from East Tennessee are so conflicting that I am at a loss to know what the rebel force there is. One puts it down as low as 7,000 to 8,000; another puts the maximum estimate at 20,000.

General Buckner passed up toward Big Creek Gap last Friday. He stated at a house on the way that he was coming into Kentucky. The officer who accompanied him returned on Saturday without Buckner. On Wednesday the force of Pegram was at and in vicinity of Travisville. A force under Colonel Kautz left for that place at 6 this morning.

CARTER,

Brigadier-General.

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KNOXVILLE, June 20, 1863.

Major-General Buckner is at Clinton concentrating his forces.

Enemy (2,000 strong) attempted to burn the railroad bridge yesterday, but failed. Attempted to burn depots here last night, but failed again, and retired this morning after severe cannonading in direction of Rogersville.

V. SHELIHA,

Chief of Staff.

General S. COOPER.

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KNOXVILLE, June 20, 1863.

The enemy attacked us with five regiments mounted infantry and two pieces of rifle artillery last night. This morning we drove him back, and he will try to escape via Rogersville through Big Creek, Moccasin or Mulberry Gap, attempting to destroy bridges at Strawberry Plains before leaving. Your Fifty-first (Fifty-fourth) Virginia has been ordered to that point. General Buckner left for Clinton yesterday.

V. SHELIHA,

Chief of Staff.

Maj. Gen. SAMUEL JONES.