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Diagram illustrating silvicultural options
Diagram illustrating silvicultural options re: composition, density, productivity, and spacial.
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Bending of "whips".
Bending of "whips", i.e. slender understory stems exposed after a selection harvest. Geography Barrie woodlot, Highway 97 near Ayr.
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General view of geography in Barrie woodlot.
General view of geography in Barrie woodlot. Highway 97 near Ayr. N.B. White pine.
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Arthur Ilkka
Sports (Individuals): Arthur Ilkka with bowling trophies. Donor: Arthur Ilkka.
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Gunnard Wilen
Sports (Individuals): Gunnard Wilen crossing ice with dog team at Dog Lake trap line, 1936. Donor: Fanny Wilen.
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Bill Shannon, athlete and university coach
Sports (Individuals): Bill Shannon, athlete and university coach. Donor: Bill Shannon.
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Hard maple, 64ft clear stem; Height 110ft.
Hard maple, 64ft clear stem; Height 110ft. DBH 17in, 400 fbm/tree. Geo. Barrie woodlot, Highway 97 near Ayr.
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Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine.
Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine. N.B. aeciospores.
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Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine.
Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine. N.B. aeciospores.
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Cronartium comptoneae rust showing aeciospores.
Cronartium comptoneae rust showing aeciospores on jack pine.
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