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Forest engineering & harvesting
Forest operations related to engineering and timber harvesting.
Industry: Forest products
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Forest engineering & harvesting
yarder
Forest products; Forest engineering & harvesting
System of power-operated winches used to haul logs from a stump to a landing. Also known as a donkey.
yarder wood
Forest products; Forest engineering & harvesting
Wood brought into a yard in the form of tree lengths, logs, or bolts, to be cut into shorter lengths.
yarding
Forest products; Forest engineering & harvesting
Initial hauling of a log from the stump to a collection point.
yarding of unmerchantable material (YUM)
Forest products; Forest engineering & harvesting
Yarding of cull, rotten, small, or otherwise unsalable wood material to a designated area for disposal is written into the timber contract. Required on all USDA Forest Service timber sale contracts.
yarding road
Forest products; Forest engineering & harvesting
Path followed by a turn of logs yarded by a cable method.
yarding tower
Forest products; Forest engineering & harvesting
1. Steel tower used on a steel spar skidder. 2. Light-weight tower built on a tractor.
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