Memorandum series / Canada, Department of Mines and Technical Surveys, Mines Branch.
Gorde:
| Erakunde egilea: | |
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| Formatua: | Aldizkako argitalpena |
| Argitaratua: |
Ottawa : Mines Branch.
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| Alearen deskribapena: | Description based on: No. 52(1932). |
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| Deskribapen fisikoa: | v. ; 28 cm. |