Showing 1 - 3 of 3 for search: 'Hirvonen, Harry', query time: 0.05s
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by Hirvonen, Harry E.
[Dartmouth, N.S.] : Lands and Integrated Programs Directorate, Atlantic Region, Environment Canada, [1984].
2
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by Hirvonen, Harry E.
[Halifax, N.S.] : Environment Canada. Lands and Integrated Programs Directorate, 1984.
3
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Ottawa, Ont. : Natural Resources Canada : Canadian Forest Service, Science Branch, c2004.
Other Authors: '; “...Hirvonen, Harry...”

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Acid pollution of rivers, lakes, etc Acid precipitation (Meteorology) Ecology Environmental aspects Forest ecology Forest health Land use Soils