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| 003 | AR-BaUFI | ||
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| 210 | 0 | _aRes. rep. - Mines Branch | |
| 222 | 0 | _aResearch report - Mines Branch | |
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_aResearch report. _pMines Branch |
| 246 | 2 | _aResearch report - Dep. of Mines and Technology Surveys. Mines Branch | |
| 260 |
_aOttawa : _bDepartment of Mines and Technical Surveys, _c1958-1974 |
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_aINGENIERIA _919069 _2EIT |
| 710 | 2 | _aDepartment of Mines and Technical Surveys | |
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