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United States Environmental Protection Agency
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Items Found: 12
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Your Search: (SUBJECT=Spruce trees)
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Acid Deposition and Forest Decline.
Atmospheric Deposition to Mountain Forest Systems: Workshop Proceedings April 1984.
Building Sector Field Program Planning Workshop, January 29-30, 1991 workshop proceedings.
Comparison of Seasonal Patterns of Photosynthate Production and Use in Branches of Red Spruce Saplings at Two Elevations.
Dynamic Standardization of Tree-Ring Series.
Effect of Dust and Soot on the Growth of Spruce Trees, (Die Wirkung von Staub und Russ auf den Zuwachs der Fichte).
Effects of Industrial Exhalations on the Soil Biology of Spruce Growths in the Krusna Hora Mountains (Vliv Prunyslobych Exhalatu na Pudni Zivenu Smrkovych Porostu Krusnvch Hor).
Growth-Trend Declines of Spruce and Fir in Mid-Appalachian Subalpine Forests.
Proceedings of the U.S./FRG (Federal Republic of Germany) Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany. Held in Burlington, Vermont on October 19-23, 1987.
Response of forest trees to sulfur, nitrogen, and associated pollutants /
Seedling response to sulfur, nitrogen, and associated pollutants /
Vegetation and Pollen Relationships in Eastern Canada.
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