Sediment Thickness Map Excerpt (image) United States Geological Survey Caption This is a map showing thickness of bottom sediment in the Santa Barbara Channel offshore Carpinteria, Calif. This is an excerpt from USGS map SIM 3261, Sheet 9, inset Map B. California State Waters Map Series—Offshore of Carpinteria, California http://pubs.usgs.gov/sim/3261/. Credit US Geological Survey Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.