Diver operating the pneumatic corer. The airgun has a specialized head that holds a PVC pipe. The device is attached to a surface supplied airsource.
 Airgun
Image courtesy of Amy Gusick, Loren Davis, Sea of Cortez 2008 Expedition. Download larger version (jpg, 7.2 MB).

Diver operating the pneumatic corer. The airgun has a specialized head that holds a PVC pipe. The device is attached to a surface supplied airsource.

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