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Mapping seafloor offshore of Santa Catalina

By Pacific Coastal and Marine Science Center July 2009 (approx.)
Two side-by-side photos, one of boat floating in calm water near rocky cliff, the other is two men near equipment on cable.
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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.