Carow, John. 1959. Yarding and loading costs for salvaging in old-growth Douglas-fir with a mobile high-lead yarder. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station; Res. Pap. 32. 26 p.
This study was planned and conducted by JohnCarow, Associate Professor of Forest Management,School of Natural Resources, University of Michigan.Field work was carried out during the summer of1955 while Professor Carow was employed by thePacific Northwest Forest and Range Experiment Sta-tion. Analysis of data and preparation of this reportwere accomplished after he returned to teaching dutiesat the University of Michigan. Robert F. Keniston ofthe School of Forestry, Oregon State College, assistedon field phases of the study. Financial assistance wasprovided by a grant-in-aid from the Skagit Steel andIron Works, Sedro Woolley, Wash.