Three and One-half Fathom Ledge
Three and One-half Fathom Ledge in Massachusetts, is a small barren rock in Massachusetts Bay, located within the city limits of Boston, USA. The rock is northeast of Martin Ledge and far east of the Roaring Bulls.
Coordinates: 42°21′13″N 70°50′44″W / 42.35361°N 70.84556°W
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