The 6th MS was part of Adams’s Brigade, which has 43 known dead buried at McGavock. The 6th MS has 3 known buried dead at McGavock.
“During the movement of this division the Federals had a battery planted on the right of Harpeth River that we could not reach, dealt great destruction to our forces, using grape and canister shot to great effect. Mowing down the Confederate troop, killing and wounding by the thousands, at the same time suffering from the galling fire from the Federal troop entrenched in front. I saw on the battlefield men lying in piles three deep, dead and wounded.
-The Civil War Years Revealed Through Letters, Diaries & Memoirs. Warwick, p. 57.