When a utility worker in Key Largo, Fla., noticed that a section of a paved street was not settling properly, he decided to remove a manhole cover and descend into the earth.

Maxwell believes the leak occurred for at least seven years. Assistant City Manager Brandon Cook says the city’s had to buy 3 million gallons less water a day since capping the line.

A recent article in Equipment World highlights the importance of clear communication in high-noise environments.