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By: Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 3Date: 1974Page Range: 379--380Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 89Series:Issue: 3Date: 1975Page Range: 333--334Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 92Series:Issue: 1Date: 1978Page Range: 105--105Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Campbell, Craig A.Type: ArticleIn: Raptor researchVolume: 9Series:Issue: 1/2Date: 1975Page Range: 12--17Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 89Series:Issue: 3Date: 1975Page Range: 335--335Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Campbell, Craig A. - Reznicek, Anton A.,Type: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 4Date: 1977Page Range: 384--390Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Sharp, Mirek J. - Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 96Series:Issue: 2Date: 1982Page Range: 208--209Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Fahselt, Dianne - Maycock, Paul - Winder, Gordon - Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 1Date: 1979Page Range: 28--40Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Campbell, Craig A. - Britton, Donald M.Type: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 3Date: 1977Page Range: 262--268Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Campbell, Craig A.Type: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 4Date: 1977Page Range: 427--428Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: