The article 🌱 Patch AM: How did OKC dig its massive downtown tunnel network in just a year? appeared first on Oklahoma City ...
Downtown Oklahoma City was headed underground in 1973. The million dollar network of tunnels that would link more than a dozen buildings and connect with existing tunnels would be quite the ...
In 1974, OKC Mayor Patience Latting described the city's underground Metro Concourse network as "the largest pedestrian tunnel system in the world." ...
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