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Pre-commercial thinning in 20-year douglas fir.
Pre-commercial thinning in 20-year douglas fir. N.B. chlorosis on lower foliage of some trees. Dewdney Public Sustained Yield Unit
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Pre-commercial thinning in balsam fir to 8x8 feet. spacing. Cost $208/acre ($514/hectare).
Pre-commercial thinning in balsam fir to 8x8 feet. spacing. Cost $208/acre ($514/hectare). Liverpool, Bowaters Mersey
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Pre-commercial thinning in lodgepole pine
Pre-commercial thinning in 12 yr lodgepole pine, using brush saw. Northwestern Pulp & Power, Hinton
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Pre-commercial thinning in white spruce and alpine fir
Pre-commercial thinning in white spruce and alpine fir (A.lasiocarpa) Northwood TFL, Prince George
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Precambrian granite gneiss- French R., Ont.
Precambrian granite gneiss- French R., Ont.
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Precambrian shield and weather front- Cobalt- Temagami
Precambrian shield and weather front- Cobalt- Temagami
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Precambrian synclines- L.Traverse, Algonquin Park
Precambrian synclines- L.Traverse, Algonquin Park
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Precommercial thinned lodgepole pine.
Precommercial thinned lodgepole pine. McLeod Working Circle, St. Regis, Hinton
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Precommercial thinned lodgepole pine.
Precommercial thinned lodgepole pine. McLeod Working Circle, St. Regis, Hinton
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Precommercial thinning in 20 year douglas fir, N.B.chlorosis
Precommercial thinning in 20 year douglas fir, N.B.chlorosis. General view. Dewdney Public Sustained Yield Unit
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