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Production rates and costs for yarding by cable, balloon, and helicopter compared for clearcuttings and partial cuttings

Creator:: Dykstra, Dennis P. and Oregon State University. Forest Research Laboratory
Abstract:: This report supplements Research Bulletin 18 (1975) of the Forest Research Laboratory, School of Forestry, Oregon State University. Bulletin 18 summarized analyses of data for the first field season of the Pansy Basin Study. This Bulletin extends those analyses to the second, and final, field season. Time-study observations during the...
Resource Type:: Technical Report
Full Text:: , and Helicopter Compared for Clearcuttings and Partial Cuttings Dennis P. Dykstra Research Bulletin

Production rates and costs for cable, balloon, and helicopter yarding systems in old-growth Douglas-fir

Creator:: Dykstra, Dennis P. and Oregon State University. Forest Research Laboratory
Abstract:: This report describes initial results of a yarding time study for the Pansy Basin Study, a cooperative research project designed to test the performance of skylines, balloons, and helicopters operating under various conditions of timber and terrain, and over a range of silvicultural and landscape design prescriptions. Observations during the...
Resource Type:: Technical Report
Full Text:: in Old-Growth Douglas-fir COMPACT Dennis P. Dykstra Research Bulletin 18 September 1975 Forest

Fire weather studies on Bald Mountain

Creator:: Berg, Alan B., Lowry, William P., 1927-, and Oregon Forest Lands Research Center
Resource Type:: Technical Report
Full Text:: . Lookout with Fenno Mt. Lookout Bald Mt Lookout with Valsetz Guard Station DEGREE OF ACCEPTABLE AGREEMENT

Wood and bark residue disposal in wigwam burners

Creator:: Corder, Stanley E., Atherton, George H., Hyde, Paul E., and Bonlie, Russell W.
Resource Type:: Technical Report
Full Text:: D • Stanley E. Corder Paul E. Hyde Russell W. Bonlie Bulletin 11 March 1970 Forest

A study of a stocking survey system and the relationship of stocking percent as determined by this system to number of trees per acre

Creator:: Bever, Dale N.
Abstract:: This study was initiated and designed, first, to determine the reliability of the stocking survey system, and, second, to construct free hand curves which would give the ratio of percent of stocking to number of trees per acre.
Resource Type:: Technical Report
Full Text:: progress of research findings. This is the first bulletin in the silvicultural field to be issued by the

Skyline thinning a western hemlock-Sitka spruce stand : harvesting costs and stand damage

Creator:: Kellogg, L. D. (Loren D.), Olsen, Eldon D., Hargrave, Michael A., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: com- munity, and the general public. As a research bulletin, this publication is one of a series that

Evaluation of factors affecting natural reproduction of forest trees in central western Oregon

Creator:: Bever, Dale N.
Abstract:: This study was started in 1947 to investigate the value of various types and quantities of seed source in the establishment of reproduction on cutover land, and to determine the apparent effects of various man-made and natural factors upon the rate of restocking. The man-made and natural factors to be...
Resource Type:: Technical Report
Full Text:: reason this area has not re- stocked? [5] 6 RESEARCH BULLETIN No. 3 will, if provided with

Oregon's forest resources : their contribution in the state's economy

Creator:: Brodie, J. Douglas (John Douglas), 1938-, McMahon, Robert Ormond, Gavelis, William H., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: State University, School Of Forestry Corvallis, Oregon 97331 r, 'COMPACT ate b Bulletin 23 September

Predicting merchantable volume in cubic feet to a variable top and in Scribner board feet to a 6-inch top for six major conifers of southwest Oregon

Creator:: Walters, David K., Hann, David W., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: scientific com- munity, and the general public. As a research bulletin, this publication is one of a series

Log grade studies in the ponderosa pine region : lumber grade recovery from Douglas fir, western larch, and white fir at Halfway, Oregon

Creator:: Forest Products Research Center
Abstract:: Second of a planned series of mill studies to test the adequacy of a log grading system for species associated with ponderosa pine, the study reported was made with the cooperation of Stilwell-Pengilley Lumber Company, under the direction of a committee representing participating agencies, namely: Bureau of Indian Affairs Bureau...
Resource Type:: Technical Report
Full Text:: Northwest Forest and Range Experiment Station United States Forest Service, Region 6 Western Pine

ScholarsArchive@OSU

Production rates and costs for yarding by cable, balloon, and helicopter compared for clearcuttings and partial cuttings

Production rates and costs for cable, balloon, and helicopter yarding systems in old-growth Douglas-fir

Fire weather studies on Bald Mountain

Wood and bark residue disposal in wigwam burners

A study of a stocking survey system and the relationship of stocking percent as determined by this system to number of trees per acre

Skyline thinning a western hemlock-Sitka spruce stand : harvesting costs and stand damage

Evaluation of factors affecting natural reproduction of forest trees in central western Oregon

Oregon's forest resources : their contribution in the state's economy

Predicting merchantable volume in cubic feet to a variable top and in Scribner board feet to a 6-inch top for six major conifers of southwest Oregon

Log grade studies in the ponderosa pine region : lumber grade recovery from Douglas fir, western larch, and white fir at Halfway, Oregon

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