The 1861 regulations were spottily observed in the Iron Brigade, if at all. I have had trouble posting in this thread in the past. Something I say keeps booting me from the server. Shoot me an email for Iron Brigade Hardee Hat documentation.
Pine River Boys, Co I, 7th Wisconsin
"We're... Christians, what read the Bible and foller what it says about lovin' your enemies and carin' for them what despitefully use you -- that is, after you've downed 'em good and hard."
-Si Klegg and His Pard Shorty