Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees [approved] December 20, 1920 [microform]
Saved in:
| Corporate Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt Print. Off,
1921.
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| Series: | Schedule (United States. Bureau of Mines) ;
7A. |
| Subjects: |
Norlin Library - Government Information - US
| Call Number: |
I 28.8:7A
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|---|---|
| I 28.8:7A | Available Place a Hold |