Conscience Hill Westford

So many things, impossible to post simply. Marker Piles:

And more marker piles:

And more marker piles:

Closeup:

Still more marker piles:

Something different - up in the high valley below Ingalls Rd:

A rectangular platfom and a diagonal platform connecting to a large rectangle with a hollow -itself  connected to the wall. Like this:

Here is the large rectangle:

Here is another large rectangle nearby. These are all at the highest point of the water.

And another:

The "marker pile" at this point was huge: