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| Construction of the Delaware Aqueduct in PicturesThe Delaware Aqueduct, the world’s longest continuous tunnel, was constructed between 1939 and 1944 and crosses Ulster, Orange, Dutchess, Putnam and Westchester counties.  
  Read the press release | |
More Information
NYC Department of Environmental Protection
Communications & Intergovernmental Affairs
59-17 Junction Boulevard
19th Floor
Flushing, NY 11373
(718) 595-6600
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