We are thankful for the help of many people who contributed to the success of this research project. Adrian Green, Dirk Koopmans, Sandy Baldwin, Michael Casso, Wally Brooks, Carolyn Ruppel (all USGS), Laura Erban (ETI Professionals, Inc.), Ruth Coffey and Michael Slattery (Stony Brook University), and Sherry Zhao (City College of New York) assisted with field operations related to this effort. Henry Bokuniewicz (Stony Brook University) and Pengfei Zhang (City College of New York) participated in design of the overall project of which the CRP surveys were a component. The Manhasset Bay Yacht Club and the Northport Yacht Club generously provided site access and support facilities. The research was funded by the USGS Coastal and Marine Geology Program and the National Fish and Wildlife Foundation. The manuscript benefited from reviews by Emily Himmelstoss, Larry Poppe, and Elizabeth Pendleton.