Data were analyzed to show number of trees thinned per chainsaw hour for areas with thinning densities that varied from ... PRODUCTION SUMMARY 75.25 COST SUMMARY Average machine hours per acre 60/73 0.822 Average service anbsp;...
|Title||:||U.S. Forest Service Research Note|
|Author||:||United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo|