Keizer, A.J.
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Forest health conditions in the northeast region of Ontario 1998.
Evans, H.J.; Keizer, A.J.; Rowlinson, D.T.; Wall, P.J.
Year: 1999
Catalog ID: 34803
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest health conditions in northwest region of Ontario 1997.
Biggs, W.D.; Keizer, A.J.; Melbourne, S.
Year: 1998
Catalog ID: 34802
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest health conditions in the northwest region of Ontario, 1996.
Biggs, W.D.; Keizer, A.J.; Melbourne, S.
Year: 1997
Catalog ID: 34204
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northeast region of Ontario, 1995. O-X-452.
Jones, C.G.; Czerwinski, E.J.; Evans, H.J.; Keizer, A.J.; Brodersen, H.
Year: 1996
Catalog ID: 9130
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northwest region of Ontario, 1995. O-X-451.
Biggs, W.D.; Constable, D.C.; Keizer, A.J.; Bouwmeester, T.
Year: 1996
Catalog ID: 9129
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northeast region of Ontario, 1994. O-X-447.
Jones, C.G.; Brodersen, H.; Smith, B.E.; Evans, H.J.; Keizer, A.J.
Year: 1995
Catalog ID: 9126
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northwest region of Ontario, 1994. O-X-445.
Constable, D.C.; Biggs, W.D.; Keizer, A.J.; Bolan, P.M.
Year: 1995
Catalog ID: 9124
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northeast region of Ontario, 1993. O-X-436.
Ingram, W.A.; Brodersen, H.; Smith, B.E.; Evans, H.J.; Keizer, A.J.
Year: 1994
Catalog ID: 9115
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northwest region of Ontario, 1993. O-X-435.
Biggs, W.D.; Constable, D.C.; Keizer, A.J.; Bolan, P.M.
Year: 1994
Catalog ID: 9114
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northeast region of Ontario, 1992. O-X-430.
Ingram, W.A.; Brodersen, H.; Smith, B.E.; Constable, D.C.; Keizer, A.J.
Year: 1993
Catalog ID: 9109
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northwest region of Ontario, 1992. O-X-428.
Evans, H.J.; Biggs, W.D.; Keizer, A.J.; Bolan, P.M.
Year: 1993
Catalog ID: 9107
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1991. Miscellaneous Report 110.
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1990. Miscellaneous Report 107.
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1989. Miscellaneous Report 93.
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1987. Miscellaneous Report 81.
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Results of forest insect and disease surveys in the Northern region of Ontario, 1986. Miscellaneous Report 50.
MacLeod, L.S.; Jansens, V.; Keizer, A.J.
Year: 1987
Catalog ID: 9405
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northern region of Ontario, 1985. Miscellaneous Report 38.
MacLeod, L.S.; Jones, C.G.; Keizer, A.J.
Year: 1986
Catalog ID: 9404
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northern region of Ontario, 1984. Miscellaneous Report 19.
MacLeod, L.S.; Jones, C.G.; Keizer, A.J.
Year: 1985
Catalog ID: 32234
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Results of forest insect and disease surveys in the Northern region of Ontario, 1983 (Moosonee, Hearts, Kapuskasing, Cochrane, Chapleau, Timmins, Kirkland Lake and Gogama). Miscellaneous Report 3.
MacLeod, L.S.; Jones, C.G.; Keizer, A.J.
Year: 1984
Catalog ID: 9403
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)