New Seafloor Mapping on the Cascadia Margin

James E Conrad1, Peter Dartnell1, Janet Tilden Watt1, Jenna C Hill1, Brian D Andrews2, Nathaniel C Miller2, Daniel S Brothers1, Jason D Chaytor2, Jared Kluesner1 and Uri S Ten Brink2, (1)USGS Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States, (2)USGS Coastal and Marine Science Center Woods Hole, Woods Hole, MA, United States