Skyline crane, английский Yarding system capable of moving logs laterally to a skyline as well as transporting logs either up or down a skyline to a landing (22).
Yarding of unmerchantable material, английский 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 (17).
