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Douglas-fir is one of the world's best timber-producing species and yields more timber than any other species in North America, making the forestlands of western Oregon, Washington, and British Columbia the most productive on the continent. In 2011, Douglas-fir represented 34.2% of US lumber exports, to a total of 1.053 billion board-feet.
Coast Douglas-fir is the fourth tallest conifer and fifth tallest of all trees in the world (after sitka spruce).Currently, coast Douglas-fir trees 60–75 metres (197–246 ft) or more in height and 1.5–2 metres (4.9–6.6 ft) in diameter are common in old growth stands, [4] and maximum heights of 100–120 metres (330–390 ft) and diameters up to 4.5–5.5 metres (15–18 ft) have been ...
Pseudotsuga menziesii var. glauca, or Rocky Mountain Douglas-fir, is an evergreen conifer native to the interior mountainous regions of western North America, from central British Columbia and southwest Alberta in Canada southward through the United States to the far north of Mexico. [2]
Pseudotsuga / ˌ sj uː d oʊ ˈ t s uː ɡ ə / [1] is a genus of evergreen coniferous trees in the family Pinaceae (subfamily Laricoideae).Common names for species in the genus include Douglas fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce.
Oregon-Canadian Forest Products, Inc., known as OCFP or simply Oregon-Canadian, is an American lumber product manufacturer [1] headquartered in North Plains in Oregon's Portland metropolitan area. [2] It has been recognized as one of the top 100 private companies in Oregon. [3]
Pseudotsuga macrocarpa, commonly called the bigcone spruce or bigcone Douglas-fir, is an evergreen conifer native to the mountains of southern California. It is notable for having the largest (by far) cones in the genus Pseudotsuga , hence the name.
Duties on lumber from Canada had already risen to 14.4% this summer after the expiration of a U.S.-Canada agreement on softwood lumber. And a review of anti-dumping could further double the duties ...
Brandstrom, Axel J. Analysis of logging costs and operating methods in the Douglas fir region (1933) online; Burley, Jeffery, et al. eds. Encyclopedia of forest sciences (4 vol. Elsevier Academic Press, 2004); comprehensive global coverage in 2100 pages. Cox, Thomas R., et al.
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