article_snippet: Because of bad visibility near the sediment of the Savannah River, divers are forced to use divers sense of touch to find artifacts such as a cannon trunnion cap (left) and a serving dish (right)
article_snippet: A group of divers led by principal investigator Stephen James are scouring 40 feet below the water's surface .
article_snippet: However, sediment conditions at the bottom of the Savannah make visibility in the water next to nothing, meaning that divers contracted to find the historic items are searching with the historic items hands rather than the historic items eyes. '
article_snippet: You are doing archaeology by braille,' Conservation Research Laboratory project manager Jim Jobling told Daily Mail Online.
article_snippet: A group of divers led by principal investigator Stephen James use a 3D positioning system created by previous sonar studies of the ship wreckage, though the skilled archaeologists may only be able to complete a couple of 10ft by 10ft grids because A group of divers led by principal investigator Stephen James can only work during high and low tide.
article_snippet: A group of divers led by principal investigator Stephen James hope A group of divers led by principal investigator Stephen James rewards will help enhance knowledge of the mysterious ship, for which historians have found no building plans.
highlights_snippet: Divers face zero-visibility conditions and are 'doing archaeology by braille' 