We recognize the excellent ship support of the captain and crew of the RV Diane G and RV Seaward Explorer. T. O'Brien, K. Parolski, B. Irwin, D. Nichols, J. Denny, and W. Danforth provided commendable technical support. J. Hill provided layout and editing. We thank S. Colman and U. ten Brink for their technical reviews of this report. The cooperative efforts of Steve Couch, USACE, New York district, are greatly appreciated.