Fourth Corps Area replaced the Southeastern Department based in Charleston , South Carolina .
Fourth Corps Area was originally headquartered there then transferred to Atlanta Georgia , and encompassed the states of Alabama , Florida , Georgia , Louisiana , Mississippi , North Carolina , South Carolina and Tennessee .
Fourth Corps Area replaced the Southeastern Department based in Charleston , South Carolina and was originally headquartered there then transferred to Atlanta Georgia , and encompassed the states of Alabama , Florida , Georgia , Louisiana , Mississippi , North Carolina , South Carolina and Tennessee .