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Continue to ChatNTSB: Shoddy Work by Columbia Gas Led to ‘Catastrophic’ Merrimack Valley Disaster https://whav.net/2019/09/24/ntsb-shoddy-work-by-columbia-gas-led-to-catastrophic-merrimack-valley-disaster/
NTSB: Shoddy Work by Columbia Gas Led to ‘Catastrophic’ Merrimack Valley Disaster https://whav.net/2019/09/24/ntsb-shoddy-work-by-columbia-gas-led-to-catastrophic-merrimack-valley-disaster/