white spruce. silviculture 521b 567b

forest products industry

white spruce 2+2 planted 1966 in area clearcut, then wildfires 1941 & 1948. n.b. evidence of frost, i.e. lack of woody growth and areas of no trees, also leaders of trees above frost line. limestone lake.

ken armson

1971-05

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armson-silviculture-521b

canada - ontario

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