of the year.
After four days, which he spent in studying the situation and in giving detailed instructions for the campaign against Longstreet, he left for Nashville.
The entire journey, which took seven days, was made on horseback from Moundsville, through Cumberland Gap, Barboursville, London, and Frankfort, to Lexington.
The journey from Lexington through Louisville to Nashville was made by rail.
Grant's headquarters were established at the last-mentioned place about the middle of January, 1864, and remained there till he was called East to take general command of all the National armies.
Immediately after the holidays Dana returned to the War Department, where he not only participated in the multifarious duties connected with the administration and maintenance of the army, but for the first time had an opportunity to observe and study the great secretary as he showed himself in the midst of his daily and nightly work.
On January 11, 1864, he wrote to me from his desk in th