"Serpent Stacked/Serpent Laid" Indigenous Causeway (CT)

 "If the courses of stonework are laid down in such a way as to resemble Big Snakes,

           Then there is a high degree of probability that it is an Indigenous made feature..."

The capstones create an even larger Serpent:

https://wakinguponturtleisland.blogspot.com/2021/10/culvert-like-causeway-like-paugussett.html