Derek Sowers, NOAA Office of Ocean Exploration and Research via Cherokee Nation Strategic Programs, Durham, NH, United States, Giuseppe Masetti, University of New Hampshire, Center for Coastal and Ocean Mapping, Durham, NH, United States, Larry A Mayer, Univ of New Hampshire, Durham, NH, United States, Paul D Johnson, University of New Hampshire, Durham, NH, United States, James V Gardner, Univ New Hampshire, Durham, NH, United States and Andrew Armstrong III, NOAA National Ocean Service, Center for Coastal and Ocean Mapping/Joint Hydrographic Center, Silver Spring, United States