Modern Marvels

Modern Marvels

Dredging

Streaming Video - 2010
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They are mechanical beasts that prevent floods, deepen waterways and build beaches. They cut, scoop, suck and spew an ocean of mud, silt and sand. The roots of dredging go back to the ancient world and these machines continue to change the map of our world.
Publisher: New York, N.Y. : Films Media Group, [2010], c2005
Characteristics: 1 streaming video file (45 min.) :,sd., col., digital file

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