Markers,

remanent marks: a post of what had been standing before.
And in varied groupings: a row, an arc, scattershot. Hung from above; rising from below; just the vertical post—the signal, the mark to hold on to what had been standing up—built—before and is now gone; the marker points down, and ends after that certain, measured height.

markers: some see them; some don’t;

that one horizontal pipe …

Captured Verbs

He, he, he, they. He could fall in; there are holes in the ground.
There are holes where my feet are planted.
I have a relation to my future disappearance into the ground.

It needs a group to decipher. Not just one, not just two; it needs a group.