On further review of his Union record, it looks like his occupation is “Boatman,” not “Postman.” Also his height very well might be 5’ 9”, Difficult to decide if it is ‘7’ or ‘9’. Also, his unit was Federal, not Confederate
Compiled Service Records of Volunteer Union Soldiers Who Served in Organizations from the State Of Maryland
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I’ve been unable to locate any records for a Granville Bruce in the 100th Va. Reserves. The only notation coming from the Appomattox parole list.