1. Shaded relief, sea floor topography, and backscatter intensity of Massachusetts Bay and the Stellwagen Bank region offshore of Boston, Massachusetts Yale Public content 2004. 2006-04-04T20:03:55Z. 2011-03-03T23:34:03Z. Geological Survey (U.S.). U.S. Dept of the Interior, U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services. English. Public. Stellwagen Bank.