That wood is very nice for working. However, for Douglas fir to work optimally for strength, it has to remain wet. Douglas fir was used in many a mine shaft, but they were misted constantly with water. If allowed to wet and dry, they lost their strength, and shafts collapsed. It took the mining engineers a while before talking with foresters to learn why some mines caved in constantly - it was drier conditions where there wasn't constant water infiltration and wetting of the wood. There is 55+ year old Douglas fir beams holding strong in underground mines in northern Manitoba, not replaced yet. Jason
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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