USGS Pacific Coastal and Marine Science Center
Pacific Coastal and Marine Science Center

Fate of Dredge Disposal Material and Polluted Sediment, Offshore Honolulu, Hawaii

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Raw Data


Photographs from scientific cruises

R/V Kila

University of Hawaii's research vessel R/V Kila used for USGS seismic and coring operations from 1993 through 1998


Large winch to haul equipment in and out of the water

Box Corer

Box corers are lowered gently to the seafloor. When the cable is pulled up, the arm and spade (now horizontal) swing into a vertical position and seal in a representative sample of the seafloor that is appx. 20 x 30 cm and as much as 1 m deep

Hard at work 2

USGS marine technician preparing box core for sampling off of Hawaii


Hard at work 1

USGS marine technician hard at work

Working the box corer

Bringing the box corer onboard after another successful sampling attempt!

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For more information, please contact:
Mike Torresan

U.S. Geological Survey
2885 Mission Street
Santa Cruz, CA 95060

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Content last modified in ~2000