My great grandfather, Joseph Kelly, enlisted in the Army in 1891, only to desert in 1892 while assigned to Ft Snelling, Minneapolis, MN. Where can I find records of this?
The information you seek may be in the custody of the Textual Reference Archives I Branch at the National Archives Building in Washington, DC. The email address is archives1reference@nara.gov. They have custody of Courts-Martial Case Files prior to WWI, Compiled Military Service Records prior to 1912, and various records from Fort Snelling during that time period.