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Commanded by Brigadier General Silas Casey

Casey’s Provisional Division acted as a receiving depot for new regiments, which were trained and organized into brigades or attached to existing units.

11th Maine Infantry Regiment Colonel John C. Caldwell from Maine 11/13
5th New Jersey Infantry Regiment Colonel Samuel H. Starr
6th New Jersey Infantry Regiment Colonel James T. Hatfield
7th New Jersey Infantry Regiment Colonel Joseph W. Revere
8th New Jersey Infantry Regiment Colonel Adolphus J. Johnson
45th New York Infantry Regiment Colonel George Von Amsberg
54th New York Infantry Regiment Colonel Eugene Kozlay
68th New York Infantry Regiment Colonel Robert J. Betge
56th New York Infantry Regiment Colonel Charles H. Van Wyck from Newburg, NY
77th New York Infantry Regiment Colonel James B. McKean from Saratoga, NY 11/28
52nd Pennsylvania Infantry Regiment Colonel John C. Dodge from Harrisburg, PA 11/8
73rd Pennsylvania Infantry Regiment Colonel John A. Koltes
75th Pennsylvania Infantry Regiment Colonel Henry Bohlen
85th Pennsylvania Infantry Regiment Colonel Joshua B. Howell  from Uniontown, PA, 11/12
104th Pennsylvania Infantry Regiment Colonel William W.H. Davis from Doylstown, PA