1960年，联合国食品和农业组织（FAO）谈到了不经济的伐木行为，例如“ 木头滚滑法（head-skidding ） ” （即将木头滚下山去，同时将树木带着土壤连根拔起 ） 。
In 1960, the United Nations Food and Agriculture Organization spoke of wasteful logging practices, such as “head-skidding” (in which a log is rolled downhill, ripping up plants and soil).