B-roll Sampling and Coring in San Pablo Bay

All clips show the deck of a barge in San Pablo Bay, California.

• Clip 1 - USGS technicians lower and raise a grab sampler
• Clips 2, 3, 4 - USGS technicians lower and raise a vibracore
• Clip 5 - Tanker passes as USGS technicians work on anchor lines
• Clip 6 - USGS technicians raise anchor, while another works on a vibracore tube
• Clip 7 - USGS scientists and technicians extract and examine a short core section from a vibracore tube, while the barge is under way
• Clips 8, 9 - USGS scientists and technicians prepare a vibracore tube, while the barge is under way
• Clip 10 - Unoccupied deck while the barge is under way