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Browsing by Subject "Logging, Skyline"
Now showing items 1-14 of 14
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(Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1949-02)
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(Corvallis, Or. : School of Forestry, Forest Research Laboratory, Oregon State University, 1977)
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(1983-04-28)Three skyline carriage types are analyzed on the basis of their operating characteristics and limitations. Their effect on productivity is expressed as cubic feet per hour yarded to the landing. These carriage types, te ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1984-02)
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(1989-06-06)Initially, a small experimental study was undertaken to examine the influence of incline on the frequency of taut cables. The experiments consisted of exciting a short cable at angles of incline from zero to 90 degrees a ...
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(Corvallis, Or. : Forest Research Laboratory, School of Forestry, Oregon State University, 1976-10)
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(Corvallis, Or. : Forest Research Laboratory, School of Forestry, Oregon State University, 1981-12)
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(1979-11-30)This study compares the production rates and yarding costs of prebunching with a low investment skyline yarder and swinging with a larger skyline yarder to full-cycle thinning with the larger yarder The study analyzes ...
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(Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1957-10)
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(1980-02)This paper describes a mathematical formulation and a computer program in basic language for analyzing the load carrying capacity of skyline systems using the effects of log drag. The actual log and ground geometry ar ...
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(Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1947-05)
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(Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1960-08)
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(Corvallis : Forest Research Laboratory, School of Forestry, Oregon State University, 1976-10)
Now showing items 1-14 of 14
