Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz. / by Alan A. Sharp and Allen D. Look.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.?] :
Dept. of the Interior, Bureau of Mines,
1950.
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| Series: | Information circular (United States. Bureau of Mines) ;
7548. |
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| Item Description: | At head of title: Department of Commerce--Bureau of Mines. No.7537-7550 issued bound together. "January 1950." "Work on manuscript completed September 1949." |
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| Physical Description: | 23 pages : illustrations ; 27 cm. |
| Bibliography: | Includes bibliographical references. |
| Action Note: | committed to retain |