Nonmetallic minerals needed for national defense : 1. Fertilizer materials / by Bertrand L. Johnson.
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| Online Access: |
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| Main Author: | |
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Bureau of Mines,
1941.
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| Series: | Information circular (United States. Bureau of Mines) ;
7159. |
| Subjects: |
| Item Description: | At head of title: Department of Commerce--Bureau of Mines. No.7150-7174 issued bound together. Cover title. "April 1941." |
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| Physical Description: | 6 pages, 8 unnumbered leaves : tables ; 27 cm. |
| Bibliography: | Includes bibliographical references. |
| Action Note: | committed to retain |