Summary:
Union staff officer R. B. Marcy mentions the strength of the Confederate cavalry units that took Chambersburg in October, 1862, in this dispatch to General George Crook.

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Gen. GEORGE CROOK,
Cmdg. Division, Hancock, Md.:

OCTOBER 11, 1862

Your dispatch of 8 a. m. received. The rebels, supposed to consist of four regiments of cavalry and four guns, about 2,000 men, were at Chambersburg last night, but have not been heard from this morning. The general commanding directs that you remain in your present position until further orders, keeping your scouts well out on all the roads, and holding your command ready to go to any point where you may think there is a probability of encountering the enemy. Gen. Averell, who is above you, will probably come down the river to-day with four regiments of cavalry for the purpose of pursuing the rebels, and it is hoped they may not escape without punishment. Communicate often.

R. B. MARCY,
Chief of Staff.

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Bibliographic Information : Letter Reproduced from The War of The Rebellion: Official Records of the Union and Confederate Armies, Series 1, Volume 19, Serial No. 28, Pages 67-68, Broadfoot Publishing Company, Wilmington, NC, 1997.