Metal-mine accidents in the United States :during the calendar year 1920

Author: Adams, W. W.
Year: 1922
Document Type: USBM
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.7:299
Series: Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number: 299
Subject: Mine accidents--United States
Link: https://hdl.handle.net/2027/mdp.39015077567942

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