In the current Wikipedia article for Martin Ledge it reads: "Martin Ledge is small barren rocks that barely stick out of the waters". However, the NOAA chart for the area shows a low tide depth of 16 feet, which indicates that the rocks do not uncover. Which is right, the wikipedia article or the chart?

enter image description here

  • $\begingroup$ NOAA should be right, as the numbers on a nautical chart are water depths at Mean Lower Low Water. Also, it just doesn't look like it: bostonharborbeacon.com/wp-content/uploads/2012/07/… What is the date of the chart? $\endgroup$
    – arkaia
    Jun 9 '18 at 16:58
  • $\begingroup$ @arkaia The rocks in that picture are Little Brewster Island and Boston Light. $\endgroup$ Jun 9 '18 at 17:10
  • $\begingroup$ This is the article of the photo: bostonharborbeacon.com/2012/07/07/… $\endgroup$
    – arkaia
    Jun 10 '18 at 1:05
  • $\begingroup$ @arkaia and Tyler Just so it's stated explicitly, the chart and the photo both show the red nun (conical buoy) number 4 near Martin Ledge. $\endgroup$
    – Spencer
    Jun 10 '18 at 17:00

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