  Unknown source; Added between 1997 and 2001, Obstn (24). 41-34-19.3N, 71-21-48.2W. (Entered 5/6/09 KAK)

  H11930-- OPR-B301-NRT5-11; 2011;  Designated sounding is 26 ft least depth measured by MBES of small feature at approximate location of charted