Minor roadside attractions out west of Quabbin

Driving south on Rt 202 in New Salem and taking the occasional side road, there is plenty to see. Here are a couple of the minor sights (not necessarily sites) from along there.

One is along Prescott Rd, at the bend with a swamp inside the bend, not far from Freeman Rd. I only took one picture just to record it. A wet area with a wall and perhaps three piles:

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Then somewhere along Rt 202 near some houses and fields, there were several piles next to a brook.
These could be from field clearing.
But then there is some sentiment being expressed by putting this in the middle on top:
One of the piles was so close to the road and so scrofulous I couldn't bring myself to photo it.