Wednesday, May 16, 2007

Water works

A hill in northern Westford, a swamp beside the hill, with constructions. Subtle pieces of wall along the side of the water course:
Here is a little retention system, not exactly a dam.Above this last, on the hillside:
And a close up, angled slightly from above:
I would not have given these things that much credit, except that I found some other interesting things nearby.

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