. Economic implications for management of structural retention on harvest units at the Blue River Ranger District, Willamette National Forest, Oregon . _L JL J Figure 4âTimber sale final bid totals, 1980-90, for sales with more than 2 million board feet, Blue River Ranger District, Willamette National Forest. 1980 1981 1982 1983 1984 1985 Year 1986 1987 1988 1989 1990 1,800 1,600 1,400 - 1,200 - CD U < 1,000 800 600 400 200 Sales excluding later buy backs Sales Including later buy backs Sales including resold sales

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Keywords: ., bookcentury1900, booksubjectfores, booksubjectforestsandforestry