Image: Dorr thickener at mine. Buckeye Coal Company, Nemacolin Mine, Nemacolin, Greene County, Pennsylvania. - NARA - 540270
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Title: Dorr thickener at mine. Buckeye Coal Company, Nemacolin Mine, Nemacolin, Greene County, Pennsylvania.
Credit: U.S. National Archives and Records Administration
Author: Russell Lee
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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