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Date: 2010-09-27 14:19:53Ecosystems Habitats Trees Picea mariana Forests Northwest Angle State Forest Old-growth forest Biogeography Systems ecology Flora of the United States | GL_watermark_2008 revised5_RGB_120208Add to Reading ListSource URL: www.epa.govDownload Document from Source WebsiteFile Size: 839,77 KBShare Document on Facebook |