. Slash fire atmospheric pollution. Air Pollution; Slashburning Environmental aspects Northwest, Pacific. Figure 19. â Cumulative C02 production from five laboratory samples. Percent of Burning Period *â H- WRC Western Redcedar WH Western Hemlock DF Douglas-fir WRC 1 WRC 2 .^WH 2 _ * WH 1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Fritschen, Leo. dn. Portland, Or. : Pacific Northwest Forest and Range Experimen

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. Slash fire atmospheric pollution. Air Pollution; Slashburning Environmental aspects Northwest, Pacific. Figure 19. â Cumulative C02 production from five laboratory samples. Percent of Burning Period *â H- WRC Western Redcedar WH Western Hemlock DF Douglas-fir WRC 1 WRC 2 .^WH 2 _ * WH 1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Fritschen, Leo. dn. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U. S. Dept. of Agriculture

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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity