Yes, the Company G link has the story regarding use of rockets in the Charleston area by the Federals.

Should you have a library card you might want to read the following. If your local library does not have the texts they may be ordered through ILL (interlibrary loan).Ask a librarian.

Lincoln and the Tools of War, Bobs-Merrill, 1956
Artillery Through the Ages, US Government Printing Office
1949-1962
The Golden Age of Rocketry