Allen, S.J.
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Forest insect and disease conditions, Cariboo Forest Region, 1980. (File Report - Not for publication)
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Black army cutworm, Jack Fire, Cariboo Forest Region
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Forest insect and disease conditions, Cariboo Forest Region, British Columbia, 1979 (File Report - Not For Publication)
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Cone and seed insects, Cariboo Forest Region
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Annual district report, forest insect and disease survey, British Columbia, 1978 (Part VI), Cariboo Forest District (File Report)
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Forest insect and disease conditions, Cariboo Forest Region, British Columbia, 1978
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Overwintering mortality of mountain pine beetles Cariboo Forest District
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Two-year-cycle spruce budworm Choristoneura biennis, Cariboo Forest District
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Annual district report, forest insect and disease survey, British Columbia, 1977 (Part VI), Cariboo Forest District (File Report)
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Forest insect and disease conditions, Cariboo Forest District, British Columbia, 1977
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Mountain pine beetle on lodgepole pine, Cariboo Forest District
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Spruce budworm defoliation of Douglas-fir, Cariboo Forest District
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Annual district report, forest insect and disease survey, British Columbia, 1976 (Part VI), Cariboo Forest District (File Report)
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Forest insect and disease conditions, Cariboo Forest District, British Columbia, 1976
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Mountain pine beetle infestations Cariboo Forest District
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Annual district report, forest insect and disease survey, British Columbia, 1975 (Part III), Prince George Forest District (File Report)
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Mountain pine beetle in the Prince George Forest District
Erickson, R.D.; Allen, S.J.; Unger, L.S.
Year: 1975
Catalog ID: 30617
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Pine needle sheathminer in Prince George District
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Forest tent caterpillar infestation in McBride area
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Annual district report, forest insect and disease survey, British Columbia, 1974 (Part III) Prince George Forest District (File Report)
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Forest insect and disease conditions Prince George forest district 1975
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Forest tent caterpillar in the Prince George Forest District
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Winter damage in southeastern portions of Prince George Forest District
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Black army cutworm infestations, Prince George Forest District
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Annual district report, forest insect and disease survey, British Columbia, 1973 (Part III), Prince George Forest District (Internal Report)
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Forest insect and disease conditions, Prince George district, 1974
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Black army cutworm
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Aspen defoliation in Prince George Forest District
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Annual district report, forest insect and disease survey, British Columbia, 1972 (Part III), Prince George Forest District
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Forest insect and disease conditions, Prince George District
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Winter injury of lodgepole pine and other tree species in the Prince George Forest District, 1971 and 1972
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Large aspen tortrix infestations in the Prince George Forest District
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Fireweed rust of true firs in the Prince George District
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Forest tent caterpillar infestations in the Prince George and north Cariboo Forest Districts, June 1972
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Annual district report, forest insect and disease survey, British Columbia, 1971 (Part III), Prince George forest district
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Annual district report, forest insect and disease survey, British Columbia, 1970 (Part I), Vancouver Forest District
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Annual district report, forest insect and disease survey, British Columbia, 1969 (Part I), Vancouver Forest District, Vancouver Island Section
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Vancouver Survey District, Vancouver Island Section. Part II
Year: 1969
Catalog ID: 27928
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Prince Rupert District. Part III
Allen, S.J.; Monts, J.S.; Brown, R.G.
Year: 1968
Catalog ID: 27838
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Vancouver District, Vancouver Island Section. Part I
Year: 1968
Catalog ID: 27837
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Prince Rupert District
Allen, S.J.; Monts, J.S.; Bedford, M.R.
Year: 1966
Catalog ID: 29557
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Status of the balsam woolly aphid, Adelges Piceae (Ratz.), in British Columbia, 1965
Harris, J.W.E.; Allen, S.J.; Collis, D.G.; Harvey, E.G.
Year: 1966
Catalog ID: 25786
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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The balsam woolly aphid, Adelges piceae (Ratz.) in British Columbia, 1964
Harris, J.W.E.; Ruppel, D.H.; Allen, S.J.; Collis, D.G.
Year: 1964
Catalog ID: 23991
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Status of the balsam woolly aphid in British Columbia in 1963 (Unpublished report)
Year: 1963
Catalog ID: 27720
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The green-striped forest looper on Vancouver Island
Silver, G.T.; Collis, D.G.; Alexander, N.E.; Allen, S.J.
Year: 1962
Catalog ID: 23889
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The balsam woolly aphid in British Columbia, 1960
Silver, G.T.; Ruppel, D.H.; Allen, S.J.
Year: 1962
Catalog ID: 23888
Issued by: Pacific Forestry Centre
Availability: PDF (download)