A short bit of stonework, extending from another row of stones, not a Zig Zag but more “Serpentine” you could say, undulating side to side, ending in a triangular flat topped boulder touching the little stream...
I can find it here quite easily, this Indigenous signature on LiDar indicating a Ceremonial Stone Landscape, and even turn it so that east is at the top, just like in the photo:
Well that looks terrible. I hope you get the idea...
And the Idea is that “This is indicative of the effigy form known as (a) Serpentine row (of stones). Quite often they curve and meander across the landscape and usually they will start with the tail of serpent in a spring or a stream and will end with the Serpent’s head – which you see at the bottom of the screen – also pointing to water,” as Doug Harris mentions in the National Park Service Training Video (and in the transcript) which can be found here: https://www.ncptt.nps.gov/blog/ceremonial-stone-landscapes/
That Serpentine Row of Stones, enhanced for effect:
Not to be confused with Zig Zag Rows of Stones:
Some Previous Sometimes Serpentine:http://wakinguponturtleisland.blogspot.com/2014/02/great-serpents-and-sometimes-serpentine.html
Atlanta Trails - Fort Mountain State Park: hike to a mysterious serpentine rock wall:https://www.atlantatrails.com/hiking-trails/fort-mountain-state-park-summit-trail/