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Start Over Year 2008 Subject Imagery and Base Maps Creator Ross, Stephanie L.
2007, 2008, 2009, and 2010. Pacific Coastal and Marine Science Center, Chin, John L., Johnson, Samuel Y., Ross, Stephanie L., and Sliter, Ray W. This layer is a georeferenced raster image of the depth to transition (base) map of uppermost Pleistocene and Holocene sediments in the region of B... Geological Survey (U.S.).