CAVALRY DIVISION. *
Colonel John K. MIZNER.
Colonel LAFAYETTE McCrillis.
3rd Illinois, Lieutenant Colonel James M. Ruggles.
4th Illinois, Lieutenant Colonel Martin R. M. Wallace.
9th Illinois, Major Henry B. Burgh.
Colonel EDWARD HATCH.
2nd Iowa, Major Datus E. Coon.
3rd Michigan, Lieutenant Colonel Gilbert Moyers.
1st WEST Tennessee, Colonel Fielding Hurst.
THIRD Brigade. #
Colonel FLORENCE M. CORNYN.
1st Alabama, Companies A, b, c, d, e, f, and G, Major Michael F. Fairfield.
15th Illinois, Companies A, b, d, e, g, and L, Colonel George A. Bacon.
7th Kansas, Colonel Thomas P. Herrick.
10th Missouri, Major Frederick W. Benteen.
5th Ohio (3rd Battalion), Major Joseph C. Smith.
Fourth Brigade. ##
Lieutenant Colonel BAZIL D. MEEK.
11th Illinois, Major Otto Funke.
2nd WEST Tennessee, Captain Pleasant K. Parsons.
McPHERSON, July 1, 1863.
The mine on Logan's front is ready and the enemy appear to be digging in toward it. Shall I explode it? And what disposition to you desire me to make of my troops; anything more than having the rifle-pits filled with sharpshooters?
JAS. B. McPHERSON.
NEAR Vicksburg, July 1, 1863.
Explode the mines as soon as ready. Notify Ord the hour, so that he may be ready to make a demonstration should the enemy attempt to move toward you. You need not do more than have rifle-pits filled with sharpshooters. Take all advantage you can, after the explosion, of the breach made, either to advance guns or your sharpshooters.
U. S. GRANT.
SEVENTEENTH ARMY CORPS, [July 1,] 1863.
The mine will be exploded about 3 p. m. to-day.
JAS. B. McPHERSON.
BEFORE Vicksburg, July 1, 1863-11 a. m.
Major-General LOGAN, Commanding THIRD DIVISION:
GENERAL: The mine in your front will be exploded as soon as the proper disposition of the troops can be made. It is not intended to
*Organized June 9; headquarters, Germantown.
#Serving in District of Corinth.
##The Sixth and Seventh Illinois, under Colonel Benjamin H. Grierson, in Department of the Gulf.