Ground-truthed areas as of 2009

Detailed Description
Above left: Northern California, showing extent (solid red) of ground-truthing effort during July 13-August 2 cruise. Open squares are additional areas that have been or will be mapped as part of the California Seafloor Mapping Program. Above right: Southern California, showing the three nearshore regions (solid red) ground-truthed during the August 10-21 cruise. Open squares are additional areas that have been or will be mapped as part of the California Seafloor Mapping Program.
Sources/Usage
Public Domain.