Keizer, A.J.
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Forest health conditions in northwest region of Ontario 1997. 1998. Forest districts: Dryden, Fort Frances, Kenora, Nipigon, Red Lake, Sioux Lookout, and Thunder Bay. Biggs, W.D.; Keizer, A.J.; Melbourne, S.L. Natural Resources Canada, Great Lakes Forestry Centre. 94p.
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 northeast region of Ontario 1998. 1999. Forest Districtis: Chapleau, Cochrane, Hearst, Kirkland Lake, North Bay, Sault Ste. Marie, Sudbury, Timmins and Wawa. Evans, H.J.; Keizer, A.J.; Rowlinson, D.T.; Wall, P.J. 94 p.
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 the northwest region of Ontario, 1996. 1997. Forest Districts: Dryden, Fort Frances, Kenora, Nipigon, Red Lake, Sioux Lookout, and Thunder Bay. Biggs, W.D.; Keizer, A.J.; Melbourne, S.L. 116p.
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 eastern region of Ontario, 1987. Forest Districts: Napanee, Tweed, Carleton Place, Cornwall and Brockville. 1988. Keizer, A.J. Great Lakes Forestry Centre and Ontario Ministry of Natural Resources. Government of Canada. Canadian Forestry Service, Ontario Region, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 81. 47 p.
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1989. Forest Districts: Napanee, Tweed, Carleton Place, and Brockville. 1990. Keizer, A. Great Lakes Forestry Centre and the Ontario Ministry of Natural Resources. Forestry Canada, Ontario Region, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 93. 37 p.
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1990. 1991. Forest Districts: Napanee, Tweed, Carleton Place, and Brockville. Keizer, A.J. Great Lakes Forestry Centre and the Ontario Ministry of Natural Resources. Forestry Canada, Ontario Region, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 107. 40 p.
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Results of forest insect and disease surveys in the Eastern region of Ontario, 1991. Forest Districts: Napanee, Tweed, Carelton Place, Cornwall and Brockville. 1992. Keizer, A.J. Great Lakes Forestry Centre and the Ontario Ministry of Natural Resources. Forestry Canada, Ontario Region, Sault Ste. Marie, Ontario. Miscellaneous Report 110. 22 p.
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Results of forest insect and disease surveys in the Northeast region of Ontario, 1992. 1993. Ingram, W.A.; Brodersen, H.; Smith, B.E.; Constable, D.C.; Keizer, A.J. Forestry Canada, Ontario Region, Sault Ste. Marie, Ontario. Information Report O-X-430. 34 p.
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 Northeast region of Ontario, 1993. 1994. Ingram, W.A.; Brodersen, H.; Smith, B.E.; Evans, H.J.; Keizer, A.J. Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Information Report O-X-436. 22 p. (includes: Appendix).
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 Northeast region of Ontario, 1994. 1995. Jones, C.G.; Brodersen, H.; Smith, B.E.; Evans, H.J.; Keizer, A.J. Natural Resources Canada, Canadian Forest Service, Ontario Region, Sault Ste. Marie, Ontario. Information Report O-X-447. 27 p.
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 Northeast region of Ontario, 1995. 1996. Jones, C.G.; Czerwinski, E.J.; Evans, H.J.; Keizer, A.J.; Brodersen, H. Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre. Information Report O-X-452. 27 p.
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 northern region of Ontario, 1983 (Moosonee, Hearst, Kapuskasing, Cochrane, Chapleau, Timmins, Kirkland Lake and Gogama) 1984. MacLeod, L.S.; Jones, C.G.; Keizer, A.J. Great Lakes Forest Research Centre and Ontario Ministry of Natural Resources. Canadian Forestry Service, Forest Pest Management Institute, Sault Ste. Marie, Ontario. Miscellaneous Report 3. 30 p.
MacLeod, L.S.; Jones, C.G.; Keizer, A.J.
Year: 1984
Catalog ID: 9403
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. Forest Districts: Moosonee, Hearst, Kapuskasing, Cochrane, Chapleau, Timmins, Kirkland Lake and Gogama. 1985. Macleod, L.S.; Jones, C. G.; Keizer, A. J. Government of Canada. Canadian Forest Service. Great Lakes Forest Research Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 19. 51 p.
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, 1985. Forest Districts: Moosonee, Hearst, Kapuskasing, Cochrane, Chapleau, Timmins, Kirkland Lake and Gogama. 1986. MacLeod, L.S.; Jones, C.G.; Keizer, A.J. Great Lakes Forestry Centre and the Ontario Ministry of Natural Resources. Government of Canada. Canadian Forestry Service, Great Lakes Forest Research Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 38. 45p.
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, 1986. Forest Districts: Moosonee, Hearst, Kapuskasing, Cochrane, Chapleau, Timmins, Kirkland Lake and Gogama. 1987. MacLeod, L.S.; Jansens, V.; Keizer, A.J. Great Lakes Forestry Centre and Ontario Ministry of Natural Resources. Government of Canada. Canadian Forestry Service, Great Lakes Forest Research Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 50. 46 p.
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 Northwest region of Ontario, 1992. 1993. Evans, H.J.; Biggs, W.D.; Keizer, A.J.; Bolan, P.M. Forestry Canada, Ontario Region, Sault Ste. Marie, Ontario. Information Report O-X-428. 37 p.
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 Northwest region of Ontario, 1993. 1994. Biggs, W.D.; Constable, D.C.; Keizer, A.J.; Bolan, P.M. Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Information Report O-X-435. 21 p. (includes: Appendix).
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 Northwest region of Ontario, 1994. 1995. Constable, D.C.; Biggs, W.D.; Keizer, A.J.; Bolan, P.M. Natural Resources Canada, Canadian Forest Service, Ontario Region, Sault Ste. Marie, Ontario. Information Report O-X-445. 23 p.
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 Northwest region of Ontario, 1995. 1996. Biggs, W.D.; Constable, D.C.; Keizer, A.J.; Bouwmeester, T. Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste Marie, Ontario. Information Report O-X-451. 24 p. (includes: appendices).
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)