Skyline harvesting in appalachia
Kochenderfer, J.N., Wendel, G.W.
Skyline harvesting in appalachia - Washington 1978 - 1-9 p. - Harvesting United States Department of Agriculture, Forest Service Research Paper NE-400 .
Skyline harvesting in appalachia - Washington 1978 - 1-9 p. - Harvesting United States Department of Agriculture, Forest Service Research Paper NE-400 .