Mapping seafloor offshore of Santa Catalina
By Pacific Coastal and Marine Science Center
July 2009 (approx.)
Detailed Description
At left, USGS research vessel Parke Snavely moored off Santa Catalina Island. At right, Jamie Conrad (left) and Gerry Hatcher prepare to pull subbottom-profiling system back onto the deck of Snavely.
Sources/Usage
Public Domain.