Matches in Library of Congress for { ?s ?p Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,. }
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- 70872114%2F%2Fr82 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".
- 72175616%2F%2Fr81 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".
- 72190410%2F%2Fr82 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".
- 74581061%2F%2Fr842 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".
- 75309006%2F%2Fr923 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".
- 76545853%2F%2Fr90 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".
- 78546509 publisher "Ottawa, Dept. of Energy, Mines and Resources, Observatories Branch,".