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t1_je52hw1 wrote

Any idea when the original roads were covered and when the original road was first laid down? I'm really curious about how old those stones are. They could easily be 150 years old.

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t1_je55rwu wrote

>I'm really curious about how old those stones are.

If they were quarried locally, about 450 million years old.

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t1_je5al15 wrote

I don't think so. That part of Washington Heights wasn't settled until the 1920's if I remember correctly.

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