And who moved the ammunition from the ord wagons to the firing line? When the ammo arrived at the firing line, how was it distributed? You can imagine all sorts of answers, but how was it supposed to work and how did it work in reality?
Can't say this is the way it was always done, but here are several Confederate accounts from the Bloody Angle at Spotsylvania.
Buxton R. Conerly of the 16th Mississippi, Harris' Brigade, says in his
account of the battle:
"During the day, our ammunition ran short, and General Harris called for volunteers to go to the rear and inform General Ewell. Several men started to go, but none went far before they fell dead. Holden Pearson of our Company E, seeing these men fall, told General Harris he would go. The general gave his reluctant consent but looked as if he should never see him alive again. Keeping himself covered behind the trenches and moving rapidly from traverse to the left, he got to a point where he could leave the line in a depression in the rear. He arrived safely at General Ewell's headquarters on the field and informed him of the situation. He told General Ewell how to get the ammunition to us through the depression and soon, passing down the line from man to man, came a stream of cartridges tied up in pieces of tent cloth. Thus we kept supplied during the remainder of the engagement, which continued nearly all night."
David Holt of the 16th Mississippi, in his memoir,
A Mississippi Rebel in the Army of Northern Virginia:
"We received our ammunition from hand to hand as it passed up from the left of the line. About dark the men in the section to my right began to call for more ammunition. "Dave Holt," said the captain, "pass cartridges over the traverse!" And I fell heir to what seemed to me a real suicidal job. But, as the captain had ordered me to the task, I did not complain. I secured a lot of packs (they were done up ten in a pack and tied with stout cord) and strung them on a ramrod. The man on the other side of the traverse spread down a rubber poncho. I called out, "Are you ready?" and, as he answered "Ready," I threw myself up on top of the traverse and poured the packs onto the poncho, the work being repeatedly interrupted by the charges of the Yanks. When they had been repelled, and I had loaded my guns, I would again accumulate packs of cartridges to pass over as they were called for. I kept at the job until way into the night when the firing slackened and no further calls for ammunition came."
Brig. Gen. Nathaniel H. Harris reported:
"Great difficulty was experienced in procuring supplies of ammunition, man after man being shot down while bringing it in. And here I cannot refrain from mentioning the gallant conduct of Courier A. W. Hancock and Private F. Dolan of the Forty-eighth Mississippi, who repeatedly brought in ammunition under this dreadful fire."