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The USGS National Seafloor Mapping and Benthic Habitat Studies Project presents... Seafloor Mapping
Mapped locations include Channel Islands, Lake Tahoe, Los Angeles, San Diego, San Francisco Bay and Santa Monica in California. Other locations around the U.S. include De Soto Canyon, Glacier Bay, Hawaii, Lake Michigan, NW Gulf of MExiso, Pinnacles, P:uget Sound and West Florida.
Western Coastal and Marine Geology, U.S. Geological Survey

Pacific Seafloor Mapping Project
Sea-Floor Images and Data from Multibeam Surveys in San Francisco Bay, Southern California, Hawaii, the Gulf of Mexico, and Lake Tahoe, California-Nevada, U.S. Geological Survey Digital Data Series DDS-55, Version 1.0, 1999
Peter Dartnell and James V. Gardner, U.S. Geological Survey

Data Products and Modeling: Southern California Coastal Ocean Observing System (SCCOOS)
"SCCOOS brings together coastal observations in the Southern California Bight to provide information necessary to address issues in climate change, ecosystem preservation and management, coastal water quality, maritime operations, coastal hazards and national security."

California Geological Survey

Image credits
Left-to-right and top-to-bottom:
  • Grand Canyon Photographer - Tolka Rover, Creative Commons - Attribution-Noncommercial-Share Alike 2.0 Generic.

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