Civil War Ironclad, USS St. Louis -  !:24 Sequence of Assembly for USS St. Louis Model Rev C   Notes: Rev A: This revision modifies Steps 5 thru 13 to permit direct use of the NPS plans to locate the structural elements yet allows installation of tempered hardboard sheets to add longitudinal stiffness to the lower hull structure. Rev B: This revision adds Steps 14 thru 18 with details for constructing and installing the hurricane deck as a removable sub-assembly. Re