8th Battalion Louisiana Heavy Artillery, Company A
This unit was attached to the "Whig Office Battery" and commanded by Capt. P. Grandpre. The "Whig Office Battery" was near the old steamboat landing and mounted one 10-inch Columbiad gun and one 32-pdr smoothbore gun. [Refer to Edwin Bearss' The Vicksburg Campaign, Volume II, page 63.]
Did You Know?
Thomas O. Selfridge, captain of the USS Cairo, commanded three boats which sank during the war. Each began with the letter "C"-Cumberland, Cairo, and Conestoga. The coincidence was noted after the Conestoga sank, and Selfridge was assigned to the USS Osage, which survived to the end of the war.