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In the early days, felled logs were transported using simple methods such as rivers to float tree trunks downstream to sawmills or paper mills. This practice, known as log driving or timber rafting, was the cheapest and most common. Some logs, due to high resin content, would sink and were known as deadheads.
After trees are selected for harvest, the next step in logging is felling the trees, and bucking them to length. Branches are cut off the trunk. This is known as limbing. Logs are taken by logging truck, rail or a log drive to the sawmill. Logs are scaled either on the way to the mill or upon arrival at the mill. Debarking removes bark from the ...
Because the underwater logging process is essentially retrieving drowned logs and sunken trees that were already lost in previous logging expeditions, the logs are considered "rediscovered wood." [ 7 ] Because underwater logging is retrieving "rediscovered wood," this has a positive impact on the forestry industry, as it reduces the need to log ...
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The felled tree or logs are moved from the stump to the landing. Ground vehicles such as a skidder or forwarder can pull, carry, or shovel the logs. Cable systems "cars" can pull logs to the landing. Logs can also be flown to the landing by helicopter. Logs are commonly transported to the sawmill using trucks.
The felled trees were processed at sawmills and shipped to the mainland. [9] Cornelis Corneliszoon (or Krelis Lootjes) was a Dutch windmill owner from Uitgeest who invented the first wind-powered sawmill in 1593. This made the conversion of logs into planks thirty times faster than previous manually operated sawmills. [10] [11]
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Cut-to-length logging (CTL) is a mechanized harvesting system in which trees are delimbed and cut to length directly at the stump. [1] CTL is typically a two-man, two-machine operation with a harvester felling, delimbing, and bucking trees and a forwarder transporting the logs from the felling to a landing area close to a road accessible by ...