Year: | 1988 |
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Document Type: | USBI |
Issuing Agency: | Bureau of Mines, |
SUDOC: | I 28.27:9185 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 9185 |
Subject: | Mine safety--Study and teaching--Congresses |
Link: | https://hdl.handle.net/2027/mdp.39015078465351 |