Caltrell, R.M.
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Puceron de l'épinette de Sitka (dépliant)
Caltrell, R.M.; Amirault, P.A.
Year: 1991
Catalog ID: 11642
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Cooley spruce gall adelgid (leaflet)
Caltrell, R.M.; Amirault, P.A.
Year: 1991
Catalog ID: 11641
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Summary of forest insect and disease conditions in Alberta, 1976
Year: 1977
Catalog ID: 11723
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Annual district reports: forest insect and disease survey, prairies region, 1975
Petty, J.A.; Caltrell, R.M.; Campbell, A.E.; Emond, F.J.; Hildahl, V.; Patterson, V.B.; Still, G.N.; Susut, J.P.; Tidsbury, R.C.
Year: 1976
Catalog ID: 12012
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Annual district reports: forest insect and disease survey, prairies region, 1974
Patterson, V.B.; Still, G.N.; Emond, F.J.; Gautreau, E.J.; Tidsbury, R.C.; Petty, J.A.; Smith, G.J.; Caltrell, R.M.; Susut, J.P.
Year: 1975
Catalog ID: 12006
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Annual district reports: forest insect and disease survey, prairie region, 1973
Robins, J.K.; Patterson, V.B.; Still, G.N.; Emond, F.J.; Gautreau, E.J.; Tidsbury, R.C.; Petty, J.A.; Smith, G.J.; Caltrell, R.M.; Susust, J.P.
Year: 1974
Catalog ID: 12055
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insect and disease conditions in Alberta provincial parks, 1973
Patterson, V.B.; Smith, G.J.; Susut, J.P.; Caltrell, R.M.
Year: 1974
Catalog ID: 12005
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insects collected in Elk Island National Park, 1948-1971
Caltrell, R.M.; Melvin, J.C.E.
Year: 1974
Catalog ID: 11643
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Annual district reports: forest insect and disease survey, prairie region, 1972
Robins, J.K.; Patterson, V.B.; Still, G.N.; Mortensen, K.L.; Gautreau, E.J.; Tidsbury, R.C.; Petty, J.A.; Smith, G.J.; Caltrell, R.M.; Susut, J.P.
Year: 1973
Catalog ID: 12054
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insect and disease conditions in Alberta provincial parks, 1972
Petty, J.A.; Smith, G.J.; Susut, J.P.; Caltrell, R.M.
Year: 1973
Catalog ID: 12016
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insects and diseases in nine of the western Canadian national parks, 1972
Patterson, V.B.; Gautreau, E.J.; Smith, G.J.; Caltrell, R.M.; Susut, J.P.
Year: 1973
Catalog ID: 12004
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insect and disease conditions in Alberta provincial parks, 1971
Petty, J.A.; Smith, G.J.; Susut, J.P.; Caltrell, R.M.
Year: 1972
Catalog ID: 12015
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Annual report: forest insect and disease survey, Alberta-Northwest Territories-Yukon region, 1969
Petty, J.A.; Emond, F.J.; Gautreau, E.J.; Smith, G.J.; Layton, C.R.; Susut, J.P.; Bigalow, G.C.; Caltrell, R.M.
Year: 1970
Catalog ID: 23142
Issued by: Northern Forestry Centre
Availability: PDF (download)