Magazines Marnie Surfaceblow: Haunted Hydroelectric Horrors (Fiction) October 2, 2023 admin engineering, Fiction, Ghosts, hvac system, Hydro, hydroelectric power, infrasound, investigation, Management, marmaduke, marnie surfaceblow, paranormal, resonance, Safety, technical solutions, workforce, workplace safetyCredit to Author: Una Nowling, PE| Date: Mon, 02 Oct 2023 04:12:00 +0000https://www.powermag.com/feed/