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The decision whether to use a trailing-arch or operate by ground-skidding methods may face many sawlog producers. This case study attempted to determine statistically whether there existed significant differences between the two methods of operation by examining the various activities performed by a crawler-type tractor within the arch-yarding and ground-skidding phases of a harvesting system.
Maine Agricultural Experiment Station
Plummer, H.A., and R.F. Taylor. 1964. A comparison of arch-yarding and ground-skidding of pine sawlogs in the University of Maine forest. Maine Agricultural Experiment Station Technical Bulletin 10.