The world’s deepest mining dredge is coupled with the longest drive train ever to reach the bottom of an underwater sand mine.

In underwater sand mining, as with any problem-solving effort, getting to the bottom of it is the ultimate goal.

So when the Florida Rock Division of Vulcan Materials considered that they were nearing the end of their capacity to dredge the depths of one of their deepest underwater sand deposits, they considered they might need a clamshell-style dredge – rather than their preferred style of underwater pump dredge – to get to the bottom of it.

No one in the world, to their knowledge, had ever built such a large suction dredge. Read Article