A wreck reborn: Recovering the Civil War ironclad CSS Georgia from the Savannah River
The CSS Georgia continues to surprise archaeologists. Case in point, this 9,000-pound Dahlgren rifled cannon that archaeologists thought was a different type of cannon before raising it to the surface July 21.

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Photo by: Michael Jordan, Cosmos Mariner Productions |  VIRIN: 150721-A-CE999-004.JPG