I don't see a Home Guard unit for Shenandoah County.
The Militia units were 13th, 136th and 146th.
Regular Shenandoah units were:
Shenandoah Rangers Co C, 7th Regt Va Cav
Shenandoah Rangers Co D, 8th Bn Va Reserves
Shenandoah Reserves Co C, 8th Bn Va Reserves
Shenandoah sharpshooters Co K, 33rd Regt Va Inf