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Columbia Gas seeking rate increase for pipe replacements
Columbia Gas donates $4,500 to Wounded Warriors | Community | observer-reporter.com
PA Environment Digest Blog: Columbia Gas Of PA Latest Sponsor Of KPB's Great American Cleanup Of PA, Local Events
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Columbia Gas faces yet another settlement for too much pressure on its pipelines | Pittsburgh Post-Gazette
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Columbia Gas of Pennsylvania submits plans for rate increase - Pittsburgh Business Times
