Engineering New York

The Water Supply

History (from the City of New York)

Wikipedia Description

High Bridge, the Croton Aqueduct, in 1910 - crossing from The Bronx (Mainland) to Manhattan Island across the Harlem River

The East River Crew including Clean Water Curriculum

The Remarkable Story...

Building the first New York City Subway (NYC Transit Museum)

History of the New York City Subway (Wikipedia)

Engineering a Subway Today (Wikipedia on the Second Avenue Subway)