Adjutant General[']s Office Washington D.C. Oct 19th 1863
I have the honor to inform you that the Muster into service of Seldon. F. Craig. as a Captain in the 6th Regiment of Michigan Vols. [Volunteers] is accepted at this office to date from September 14th 1863. date of the receipt of Commission[.]
I am, sir, very respectfully Your obedient servant[,]
(Signed}Saml. [Samuel] Breck. Assist Adjt [Assistant Adjutant} General
To Commdg [Commanding] Officer 6th Regt [Regiment] Michigan. Vols.
Head Qrs [Quarters] 6th Regt Mich Vol Heavy Arty [6th Regiment Michigan Volunteer Heavy Artillery] Port Hudson, Lou. Nov 22nd 1863