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