CSS Gaines was a wooden side wheel

Paddle steamer

A paddle steamer is a steamship or riverboat, powered by a steam engine, using paddle wheels to propel it through the water. In antiquity, Paddle wheelers followed the development of poles, oars and sails, where the first uses were wheelers driven by animals or humans...

 gunboat constructed by the Confederates at Mobile

Mobile, Alabama

Mobile is the third most populous city in the Southern US state of Alabama and is the county seat of Mobile County. It is located on the Mobile River and the central Gulf Coast of the United States. The population within the city limits was 195,111 during the 2010 census. It is the largest...

, Alabama

Alabama

Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

 during 1861-62. The ship was hastily built with unseasoned wood, which was partially covered with 2-inch iron plating. Gaines resembled CSS Morgan

CSS Morgan

CSS Morgan was a partially armored gunboat of the Confederate States Navy in the American Civil War.Morgan was built at Mobile, Alabama in 1861-62. She operated in the waters around Mobile from the time of her completion early in 1862 to the close of hostilities. One reference of October 1862 gave...

 except that she had high pressure boilers. Operating in the waters of Mobile Bay

Mobile Bay

Mobile Bay is an inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. The Mobile River and Tensaw River empty into the northern end of the...

, under the command of Lieutenant

Lieutenant

A lieutenant is a junior commissioned officer in many nations' armed forces. Typically, the rank of lieutenant in naval usage, while still a junior officer rank, is senior to the army rank...

 John W. Bennett, CSN

Confederate States Navy

The Confederate States Navy was the naval branch of the Confederate States armed forces established by an act of the Confederate Congress on February 21, 1861. It was responsible for Confederate naval operations during the American Civil War...

, she was heavily damaged during the Battle of Mobile Bay

Battle of Mobile Bay

The Battle of Mobile Bay of August 5, 1864, was an engagement of the American Civil War in which a Federal fleet commanded by Rear Adm. David G. Farragut, assisted by a contingent of soldiers, attacked a smaller Confederate fleet led by Adm...

 on August 5, 1864. She was sinking as she left the battle and became grounded while still in 24 feet (7 m) of water, within 500 yards (457 m) of Fort Morgan. Two crewman died in the engagement, 3-4 were wounded, and 129 escaped to Mobile. Her hull may have been located in Mobile Bay in 1989, but the find has not been confirmed.