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Chicago’s 811 File Holds 14,508 Utility-Hit Reports Since 2015. Gas Leads — and 846 Reports Record What Was Hit as UNKNOWN.
Chicago’s 811 hit ledger, read at report grain: 62,897 notice rows describing 14,508 hit reports since 2015. Gas service leads the struck-facility mentions, Peoples Gas-owned facilities appear in 43 percent of reports…

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