And I was surprised to see, looking north, that the row ended rather quickly:
So I was drawn toward the end of the row so I could be surprised by the "end stone:"
And looking East:
(More Serpents and Snakes: http://rockpiles.blogspot.com/search?q=serpent & http://wakinguponturtleisland.blogspot.com/search?q=serpent )
It's about a hundred feet north to where a linear stone row has a little gap in it, ten feet wide at the most, but with end stones on both sides of the gap. This is the one I photographed with the cell phone camera:
Another a few feet east: