C ONNELLSVILLE C OKE Fueling the steel mills One of the largest coking complexes was Adelaide, founded by Henry Clay Frick in 1888 and named for his wife. By 1910 it consisted of a coal mine, 375 coke ovens

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• Geography of the United States
• Pennsylvania
• Coal
• Coke
• Connellsville
• Pennsylvania
• United
• Pennsylvania
• Dunlap coke ovens
• Geography of Pennsylvania
• Fuels
• Pittsburgh metropolitan area