hydraulic assist for a manual skyline lock
By: Cleveland J. Biller
Contributors: United States. Forest Service; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: USDA Forest Service research note NE -- 247
Publisher: Dept. of Agriculture, Forest Service, North eastern Forest Experiment Station
Published: 1977
Place of publication: Upper Darby, Pa
Language: eng
Subjects: Logging -- Machinery
Notes: Caption title