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Coal-mine Fatalities in the United States 1919
United States. Bureau of MinesAlbert Hill Fay
其他書名
And Coal-mine Statistics Supplementing Those Published in Bulletin 115
出版U.S. Government Printing Office, 1916
URLhttp://books.google.com.hk/books?id=CzEZAAAAYAAJ&hl=&source=gbs_api
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