Point shapefile of quadrangle 6 station locations in Stellwagen Bank National Marine Sanctuary offshore of Boston, Massachusetts where video, photographs and sediment samples were collected by the U.S. Geological Survey from 1993-2004 - includes sediment sample analyses and interpreted geologic substrate (Geographic, NAD 83)
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The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration's National Marine Sanctuary Program, has conducted seabed...
美国地质调查局（U.S. Geological Survey, USGS）与美国国家海洋和大气管理局国家海洋保护区项目开展合作，已实施海底相关调查工作……
