Acknowledgments

Funding for this research was provided by the Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM). We wish to thank Susan Snow-Cotter and Tony Wilbur of CZM for their encouragement and support of offshore research. Assistance in the field was provided by Seth Ackerman, Dann Blackwood, Ilya Buynevich, Bill Danforth, Jane Denny, Dave Foster, Barry Irwin, and Chuck Worley. We also thank Jane Denny, Bill Danforth, and Erika Hammar-Klose for their help in processing the large amounts of acoustic data. Donna Newman arranged this document in HTML. Michael Blongewicz of DHI and the ArcMarine working group assisted with the ArcMarine geodatabase structure. This manuscript benefited from reviews by Dave Twichell, Kathryn Ford, and Jane Denny.