Technical bulletin - Dept. of Energy, Mines and Resources, Mines Branch.
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| Corporate Author: | |
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| Format: | Serial |
| Language: | English |
| Published: |
Ottawa,
1959-
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| Subjects: |
| Published: | Began with July 1959 issue. |
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| Physical Description: | v. ill. 28 cm. |
| Bibliography: | Includes bibliographies. |
| ISSN: | 0576-2685 |