From Wikipedia, the free encyclopedia
This is a list of
manhole cover markings found in
New York City.
Markings
References
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Forgotten NY: manhole
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"World Sewer Cover Web site", February, 2001.
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"Photos of NYC Manhole Covers, March, 2013.
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"NYC DEP Weekly Pipeline", August 3, 2010.
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"Long Island Star-Journal", August 1, 1945.
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"Manhole Covers", May 27, 2021.