“…A study of logging injury incident to skidding in partly cut northern hardwoods was made by Engle in Upper Michigan (4) . The frequency and severity of injuries to trees on an area skidded with D-2 tractors were compared with wounds incurred on an area skidded with teams of horses.…”
Section: Previous Reports Of Logging Damagementioning
“…A study of logging injury incident to skidding in partly cut northern hardwoods was made by Engle in Upper Michigan (4) . The frequency and severity of injuries to trees on an area skidded with D-2 tractors were compared with wounds incurred on an area skidded with teams of horses.…”
Section: Previous Reports Of Logging Damagementioning
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