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Coal-mine Accidents in the United States, 1939

Arno Carl FieldnerLee Clyde IlsleyRalph Emmet BrewerReginald Scott DeanW. C. SchroederWilliam Waugh AdamsAbraham Albert BerkAlva Britt HookerJohn Roy ThoenenL. E. GeyerM. E. KolhosP. M. AmbroseUnited States. Bureau of MinesWilliam Elmer RiceStephen L. WindesHarry Elston MoranM. G. ParryWilliam Henry Roadstrum

出版	U.S. Government Printing Office, 1941
URL	http://books.google.com.hk/books?id=TRxUzgEACAAJ&hl=&source=gbs_api