ERDC demonstrates new equipment, approach
ERDC Research Hydraulic Engineer Tim Welp checks the movement of "tickler chains" designed to move sea turtles out of the way of dredging activities. The chains form a curtain extending off the dredging drag arm approximately 25 feet ahead of the draghead.

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Photo by: Jon Hosaka |  VIRIN: 160527-A-CE999-010.JPG