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Lillian Terwilliger @twiggy4065

Lillian Terwilliger
@twiggy4065

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THE DC TUNNELS ARE REAL...
Children’s hospital and underground tunnel system being dismantled.

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Mr. Boxoffrogs @boxoffrogs

DC Water has at least 3 TBMs operating in and around DC https://youtu.be/HOLFXSctLnQ

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Northeast Boundary Tunnel (NEBT) TBM Lowering - YouTube

The Northeast Boundary Tunnel (NEBT) project reached a significant milestone—the lowering of the tunnel boring machine (TBM) into the CSO-019N shaft located ...

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