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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:: 0142857792 SD 144 07 A45 no.18 cop. 2 Production Rates and Costs Balloon, and Helicopter Yarding Systems

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

"Waving Wand" Broadcast Hand Application of Herbicides: Technical Basis and Usage

Creator:: Newton, Michael, Cole, Elizabeth C., and Barry, Jack W.
Abstract:: The waving-wand system of broadcast chemical application implemented in swath widths to 40 ft (>12 m) is capable of simulating broadcast deposition patterns for herbicides similar to those delivered by helicopter. Drop sizes vary from center to edge of swaths, which can range from >1,000 to 5,000 microns (μ). Any...
Resource Type:: Technical Report
Full Text:: Outreach No. 2 “Waving Wand” Broadcast Hand Application of Herbicides: Technical Basis and Usage

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:: planned series, notably those reported in FPRC Bulletin 6, December 1957, made on logs from the same

Heating Douglas fir veneer blocks : does it pay?

Creator:: Grantham, John Bernard, Atherton, George H., and Forest Products Research Center
Resource Type:: Technical Report
Full Text:: ~;;;.... By John B. Grantham George H. Atherton STATE OF OREGON Bulletin 9, June 1959 Forest Products

Factors related to variation of specific gravity in young-growth Douglas fir

Creator:: McKimmy, Milford D. and Oregon Forest Research Center
Resource Type:: Technical Report
Full Text:: TECHNICAL BULLETIN No. 479. Static bending Maximum Stress at Trees Modulus of Modulus of crushing

Users manual for the FLEX2 and FLEX3 model processors for the FLEX modelling paradigm [review draft]

Creator:: White, Curtis, Overton, W. Scott, Oregon State University. Forest Research Laboratory, and Oregon State University. School of Forestry
Resource Type:: Technical Report
Full Text:: ....._ _ _.,,,,. Bulletin 15 REVIEW DRAFT August, 1974 Forest Research Laboratory School of Forestry Oregon State

Strength and related properties of Douglas fir from mill samples

Creator:: Snodgrass, James D. and Noskowiak, Arthur F.
Resource Type:: Technical Report
Full Text:: , utilization, and marketing of wood and of timber by-products. Technical principles derived through this

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

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

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

"Waving Wand" Broadcast Hand Application of Herbicides: Technical Basis and Usage

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

Heating Douglas fir veneer blocks : does it pay?

Factors related to variation of specific gravity in young-growth Douglas fir

Users manual for the FLEX2 and FLEX3 model processors for the FLEX modelling paradigm [review draft]

Strength and related properties of Douglas fir from mill samples

Wood and bark residue disposal in wigwam burners

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