Portion of the 1-meter (m) contours in quadrangle 5 of the Stellwagen Bank Survey Area offshore of Boston, Massachusetts based on bathymetry data collected by the U.S. Geological Survey from 1994-1996

The U.S. Geological Survey (USGS), in cooperation with the National Marine Sanctuary Program of the National Oceanic and Atmospheric Administration (NOAA), has...美国地质调查局（U.S. Geological Survey，简称USGS）与美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration，简称NOAA）的国家海洋保护区计划开展合作，已……