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Logs with a higher density than the density of water would sink. [2] Other logs would get caught in jams, sloughs, or floods, and become lodged in the riverbed. Such logs were often known as "sinkers" or "deadheads." Loggers attempted to reduce the number of logs which remained in the river in order to maximize profits, but some losses were ...
The formation of a log jam against one bank typically concentrates flow in the wood-free portion of the channel, increasing velocity through this section and promoting scour of the riverbed. The formation of channel-spanning log jams can lead to the formation of an upstream pool, water spilling over the structure generating a "plunge pool ...
Logs were moved more efficiently by railroads built into remote forest areas, often supported by additional methods like high-wheel loaders, tractors and log flumes. [14] The largest high-wheel loader, the "Bunyan Buggie," was built in 1960 for service in California, featuring wheels 24 feet (7.3 m) high.
One of the largest issues with treatment on waterlogged wood is finding a way to remove the water in the wood but keep the water that is part of the material. Preventing cell wall collapse (which causes shrinking, cracking, and further damage) of the waterlogged wood while drying is the largest struggle and main goal of treatment.
A crew of log buckers with crosscut saws in 1914. [1] Bucker limbing dead branch stubs with a chainsaw, also known as knot bumping Bucker making a bucking cut with a chainsaw Bucking, splitting and stacking logs for firewood in Kõrvemaa, Estonia (October 2022) Bucking is the process of cutting a felled and delimbed tree into logs. [2]
Log boom on St. Croix River in Maine, aerial photo taken in 1973 Timber marks on a log building in Sweden where they are called flottningsmärke. A log boom (sometimes called a log fence or log bag) is a barrier placed in a river, designed to collect and or contain floating logs timbered from nearby forests. The term is also used as a place ...
Salvage logging is the practice of logging trees in forest areas that have been damaged by wildfire, flood, severe wind, disease, insect infestation, or other natural disturbance in order to recover economic value that would otherwise be lost.
Lumberjacks could work upwards of twelve hours a day, and lumbering was such physically demanding work that each man could eat between 6,000 to 9,000 calories a day. [ 6 ] [ 7 ] In one estimation, the average logger consumed 5 pounds (2.3 kg) of food each day. [ 7 ]