Dredging sand - GIF

Dredging sand.

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Previously:

1920s Ruth dredging machines - video
Dredging ship restores an eroded beach - GIF
Underwater rock blasting for dredging - GIF

How do they drain the water but not the sand from those buckets?

Quote:

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Originally Posted by nova_robotics

How do they drain the water but not the sand from those buckets?

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I don't think they do. It looks like they're just washing the sand then dumping it into a pile where the water leaves it.