Geologic Setting. In: K. Y. McMullen, L. J. Poppe, R. P. Signell, J. F. Denny, J. M. Crocker, A. L. Beaver, P. T. Schattgen: Surficial Geology in Central Narragansett Bay, Rhode Island: Interpretations of Sidescan Sonar and Multibeam Bathymetry. U.S. Geological Survey Open-File Report 2006-1199 (HTML-Version)