[Trod Upon]

I know exactly what that is. It is called, in technical parlance, “jack shit.” Another name would be “eroded rock outcropping buried in ages worth of silt.”

[ModelBreaker]

“I know exactly what that is. It is called, in technical parlance, “jack shit.” Another name would be “eroded rock outcropping buried in ages worth of silt.””

Or, if you have enough pictures of enough different places, a few will look like there’s some kind of pattern to them.