Statistics for occurrence #1 of “Brig.-Gen. Casey” in chapter 7 of Elias Nason, McClellan's Own Story: the war for the union, the soldiers who fought it, the civilians who directed it, and his relations to them.:

...g.-Gen. F. J. Porter was at first assigned to the charge of the provisional brigades. Brig.-Gen. A. E. Burnside was the next officer assigned this duty, from which, however, he was soon relieved by Brig.-Gen. Casey , who continued in charge of the newly arriving regiments until the Army of the Potomac departed for the Peninsula, in March, 1862. The newly arriving artillery troops reported to Brig.-Gen. William...
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