How far west of the north end of Pier 66 does the 10 fathom curve extend?

The correct answer is based on nautical chart data, which typically provides information on underwater topography, such as the location of depth contours like the 10 fathom curve. In this context, the 10 fathom curve represents a line on the chart where the water depth is approximately 10 fathoms (60 feet).

When considering how far west this curve extends from a specific landmark, like the north end of Pier 66, it is essential to rely on accurate marine navigation charts or databases that indicate exact positions relative to known points. The chart would show the locations of contours and their extensions in relation to landmarks.

In the case of the selected option, the data indicates that the 10 fathom curve extends 0.2 fathoms west of the north end of Pier 66. This precise distance gives navigators crucial information for safely maneuvering vessels in that area, as it helps them understand water depth and avoid running aground, especially in regions where underwater features vary significantly. Thus, selecting 0.2 fathoms reflects a specific and important measurement for marine navigation in that locale.