He will get a map without sewer and water systems, fire hydrants, and manholes.

NPR: Security Officials Seek to Block Some Online Maps

Con Edison has also developed a SCADA-controlled switch that can be used in manholes.

FORBES: East Coast Utility Flexes Innovation Muscle

They show, for example, which manholes lead into storm sewers, some of which are big enough for a person to crawl through.

NPR: Security Officials Seek to Block Some Online Maps

We can see a dozen manholes in the street, all clearly labeled.

NPR: Security Officials Seek to Block Some Online Maps

Manholes have been welded shut, bomb-sniffing dogs are a familiar sight, and plans have been drafted for responses to possible chemical or biological attacks.

CNN: Convention unfolds under extraordinary security

Verizon Communications Chief Executive Ivan Seidenberg literally started his career in the phone industry at the bottom, descending into manholes to splice cable for New York Telephone.

FORBES: Magazine Article