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Voting for History

Where was cobble granite street stone mined from and how was it installed around the city in the 1800s?

Asked by Jaime Melendez

Who's responsible for maintaining railroad viaducts in the city, and how often are they inspected?

Asked by Mark Eifert

How many miles of water pipes must be replaced throughout the city to reuce lead content in the water supply?

Asked by mike stevens