Tractors dredging a canal - GIF

Tractors dredging a canal.

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Previously:

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

Hi Gang:
They do the same thing in the Paris Sewers. If you get a chance take the tour: https://musee-egouts.paris.fr/en/
Fun! Check out the 3 meter wooden ball right out of Raiders of the Lost Ark.
Carl.