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1 record(s) found for principle investigator "de Graff, Dirk" (multi-year projects are grouped):
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Licence #2429
Principal Investigator: de Graff, Dirk
Licenced Year(s): 1979
Summary: To study the over-wintering areas for fish. The study will include sampling of fish, water, plant life, and bottom sediments for population assessments and habitat analysis....


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