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Limbing plays a role in fire prevention by removing branches from live trees that can otherwise serve as part of a fuel ladder allowing a fire to climb from the ground into the tree canopy. A California fire prevention guide recommends to "Remove all tree branches at least 6 feet [1.8 meters] from the ground" and "Allow extra vertical space ...
As the name suggests, this knot is often used by lumbermen and arborists for attaching ropes or chains to tree trunks, branches, and logs. [3] [5] For stability when towing or lowering long items, the addition of a half-hitch in front of the timber hitch creates a timber hitch and a half hitch, [6] or known as a killick hitch [2] when at sea. [7]
The Madera Sugar Pine Company was a United States lumber company that operated in the Sierra Nevada region of California during the late 19th and early 20th centuries. The company distinguished itself through the use of innovative technologies, including the southern Sierra's first log flume and logging railroad, along with the early adoption of the Steam Donkey engine.
A whoopie sling for hammock camping. A whoopie sling is an easily adjustable rope sling designed for tree pruning or tree removal. [1] [2] The whoopie sling works by wrapping the sling around the trunk of a tree or a heavy load bearing limb and pulling the end of the rope within the sling through a spliced choker.
The high climber (also known as a tree topper) established a spar tree so logs could be skidded into the landing. Using tree climbing gaffs and rope to ascend a tall tree in the landing area of the logging site, he would chop off limbs as he climbed, chop off the top of the tree, then attach pulleys and rigging to the tree for the yarder.
The Yosemite Lumber Company was an early 20th century Sugar Pine and White Pine logging operation in the Sierra Nevada. [1] The company built the steepest logging incline ever, a 3,100 feet (940 m) route that tied the high-country timber tracts in Yosemite National Park to the low-lying Yosemite Valley Railroad running alongside the Merced River.
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Tandem-rotor helicopter lifting a log Helicopter pruning. Heli-logging, or helicopter logging, is a method of logging that uses helicopters to remove cut trees from forests by lifting them on cables attached to a helicopter. [1] Helicopter logging is often used in inaccessible areas of forests. Because the use of helicopters reduces the level ...