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Built in 1936 as an all-wooden truss bridge made of Douglas fir timber treated with creosote, [2] it was at 210 feet (64 m) the longest single-span wooden bridge in North America. [3] The bridge overlooks the site of an 18th-century battle in which the local Anishnaabe and Cree nations defeated an invading force of Sioux .
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.
Spruce prefer cool climates, but they will tolerate warmer conditions than most fir trees. Cypress generally prefer a warmer climate. For this reason, they are grown primarily in the southern and southwestern United States. The Douglas fir is a fairly adaptable species and can be grown in much of the United States.
The stocks were made from pitch pine and the blades from Douglas fir. Work at the mill over the winter included repairs to the brickwork and windows, with only one window still needing attention when the first work-in began. New beech cogs were fitted to the crown wheel, which was restored to its correct position on the upright shaft. [22]
Big Lonely Doug is a large Coast Douglas-fir (Pseudotsuga menziesii) tree located in the Gordon River Valley, 10km north of Port Renfrew on Vancouver Island, British Columbia, Canada. It is the second largest Douglas-fir tree in Canada after the Red Creek Fir in nearby San Juan Valley .
USS YMS-328 is a decommissioned US Navy YMS-1-class (YMS-135 subclass) Yard Mine Sweeper (YMS), built in Ballard, Washington (Seattle) at Ballard Marine & Railway. She was classified as a Mark II design and her hull is constructed completely out of 3" vertical grain Douglas fir.
Coast Douglas-fir seed cone, from a tree grown from seed collected by David Douglas Pseudotsuga menziesii var. menziesii has attained heights of 393 feet (120* m). That was the estimated height of the tallest conifer ever well-documented, the Mineral Tree ( Mineral, Washington ), measured in 1924 by Dr. Richard E. McArdle, [ 7 ] former chief of ...
Within the USA fir, also known as Douglas fir, is inexpensive and common at local home centers. It has a characteristic straight, pronounced grain with a red-brown tint. However, its grain pattern is relatively plain and it does not stain well, so fir is commonly used when the finished product will be painted.