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washingtoncounty |
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| navigate by keyword : appalachia appalachian barge coal coalfield coalmines greene greenecounty heartland industrial industry iron mine mineshaft mining monongahela monvalley pennsylvania pittsburgh river robena rural rustbelt steel washingtoncounty westernpa |
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| Structures from the old Robena Coal Mine in Greene County, Pennsylvania. When this was a captive coal mine for U.S. Steel it was at times the largest coal mine in America. |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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