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Re: Myrtle Avenue EL

Posted by Fisk Ave Jim on Wed Oct 14 11:04:00 2020, in response to Re: Myrtle Avenue EL, posted by mack c-49 on Wed Oct 14 09:37:11 2020.

In my old St.Helena HS. geology class, the "existing subterranean infrastructure" was referred to as Manhattan Schist, aka solid rock as opposed to the loose sandy glacial residue soils of Long Island.
IIRC the Brooklyn side Brooklyn Bridge support does not rest on solid rock.

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