NYC plans top-secret underground map detailing plumbing, electric — with hopes it can save lives, money

The creation of an exclusive underground map of the Big Apple is reportedly in the works, which officials claim could curb ...
Hyperallergic

A 19th-Century Map of the Geology Hidden Beneath NYC Streets

Geologic map and sections of Manhattan Island, State of New York (1898) (all images via New York Public Library Map Division) One of the more intriguing items is a geologic map of Manhattan from 1898, ...
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Staten Island’s map, explained #travel #history #map #geography #nyc #statenisland #manhattan #brooklyn

Explore the geography and history of Staten Island through its map. This overview highlights key locations and routes that ...