Jim
In addition to the Official Records and the book "Like Men Of War" check out the following for info on the engagement at Tullifiny/Coosawhatchie:
1) www.scbattlegrounds.org/honeyhill/accounts.htm

In this website choose the following 3

a) Dairy of Henry W Prince ( See Deveaux's Neck)

b) Perspective of Admiral Dahlgreen's Marine Battn

c) OR report of Maj GenJohn G Foster
2)www.members.aol.com/y2ktyrant/hh.html

see "Engagements on the Charleston & Savannah RR"
3) Book titled "The Young Lions" by James Lee Conrad pages 119-123
4)Book titled "The United States Marine Corps in the Civil War-The Final Year" by David M Sullivan pages 91-103