Pipe dredge for collecting seabed sediment

Man holds a piece of cylindrical steel attached to a handle and thick chain, on the stern of a moving boat.

Detailed Description

USGS geologist Bruce Richmond prepares to deploy a pipe dredge that will be dragged along the seabed to collect sediment.


Image Dimensions: 844 x 1125

Date Taken:

Location Taken: AK, US