Chicago's newest landmarks

Gravity-fed rooftop water tanks are among Chicago's newest landmarks. When Chicago rebuilt after the 1871 fire, rooftop tanks were considered a practical addition to prevent widespread damage to the city if another devastating fire occurred. But by the 1990's thousands of tanks had been demolished severing the history of the way people were tied to these tanks. Currently there are only 178 tanks remaining, 91 of which are still operating. Ronald Carlson of Johnson & Carlson, 3312 W. 111th Street, has studied these tanks and knows how to service them as well. Many of us who grew up in Chicago remember these magical tanks that often advertised companies' wares. It's sad to see them slowly disappear.