Virgil,
If you have Micajah Wilkinson's service cards, please check his enlistment period.
I've checked the service cards for four of my relatives who enlisted in Monticello, Lawrence County.
Company A
5th. Sgt. William W. Daniels - 12 months
3rd. Corp. Dempsey Langston - 12 months
Pvt. Gideon R. Langston - 12 months
2nd. Lt. Willam A. Langston - 12 months
Thanks,
Mitch