Research Vessel Lowering a Sand Cam
Detailed Description
Research vessel Theodore R. Schmudde anchors in the swift water before lowering the sand cam (metal object suspended to the pulleys at the front of the boat).
Sources/Usage
Public Domain.
Research vessel Theodore R. Schmudde anchors in the swift water before lowering the sand cam (metal object suspended to the pulleys at the front of the boat).
Public Domain.