[A 61 year old crusher operator ...].
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| Corporate Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Denver, Colo.?] :
U.S. Dept. of Labor, Mine Safety and Health Administration, Metal and Nonmetal Mine Safety and Health,
[1989]
|
| Series: | Fatalgram ;
89-017. |
| Subjects: |