13 May 1861
McClellan, George Brinton, 1826-1885
Printed document signed
Title: General orders, no.
Unnumbered general order, stating the Ohio, Indiana and Illinois have been combined to form the "Department of the Ohio," which will be commanded by McClellan. Issued and signed in facsimile by McClellan, also countersigned by Marcy as Assistant Adjutant General.
GLC06235.06