Richfield Oil Corporation was an American petroleum company based in California from 1905 to 1966. In 1966, it merged with Atlantic Refining Company to form the Atlantic Richfield Company (later renamed ARCO).[1]
- ^ "Atlantic Richfield Company | Asbestos & Mesothelioma Lawsuits". Mesothelioma.com. Retrieved 2023-03-27.
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