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Continue to ChatBall State Dedicates Largest Closed-Loop Geothermal System in America https://cleantechnica.com/2012/03/26/ball-state-dedicates-largest-closed-loop-geothermal-system-in-america/
Ball State Dedicates Largest Closed-Loop Geothermal System in America https://cleantechnica.com/2012/03/26/ball-state-dedicates-largest-closed-loop-geothermal-system-in-america/