CHAPTER XV.
ORDERED TO OCCUPY BRIDGEPORT--A SPY--THE BATTLE OF CHICKAMAUGA -- GENERAL THOMAS--TREATED TO COFFEE--RESULTS OF THE BATTLE.
The Tullahoma campaign was practically closed by the disappearance of the enemy from the country north of the Tennessee River.

Middle Tennessee was once more in the possession of the National troops, and Rosecrans though strongly urged from Washington to continue on, resisted the pressure until he could repair the Nashville and Chattanooga railroad, which was of vital importance in supplying his army from its secondary base at Nashville.

As he desired to hold this road to where it crossed the Tennessee, it was necessary to push a force beyond the mountains, and after a few days of rest at Cowan my division was ordered to take station at Stevenson, Alabama, the junction of the Memphis and Charleston road with the Nashville and Chattanooga, with instructions to occupy Bridgeport also.
The enemy had meanwhile concentrated most of his forces at Chattanooga for the twofold purpose of holding this gateway of the Cumberland Mountains, and to assume a defensive attitude which would enable him to take advantage of such circumstances as might arise in the development of the offensive campaign he knew we must make.

The peculiar topography of the country was much to his advantage, and while we had a broad river and numerous spurs and ridges of the Cumberland Mountains to cross at a long distance from our base, he was backed up on his depots of supply, and connected by interior lines of railway with the different armies of the Confederacy, so that he could be speedily reinforced.
Bridgeport was to be ultimately a sub-depot for storing subsistence supplies, and one of the points at which our army would cross the Tennessee, so I occupied it on July 29 with two brigades, retaining one at Stevenson, however, to protect that railway junction from raids by way of Caperton's ferry.

By the 29th of August a considerable quantity of supplies had been accumulated, and then began a general movement of our troops for crossing the river.