A primer of timber harvestin

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EB 1316

A Primer for
Timber Harvesting

Washington State University Extension
Pullman, Washington

Authors
Francis R. Greulich, Ph.D., Professor of Forest Engineering, College of
Forest Resources, University of Washington, Seattle, WA;
Donald P. Hanley, Ph.D., Washington State University Extension
Forester, Seattle, WA;
Joseph F. McNeel, Ph.D., Director for Division of Forestry,West Virginia
University, Morgantown, WV;
David Baumgartner, Ph.D., Washington State University Extension
Forester, Pullman, WA.
Photo-Credits
Figure 8 — Ronald Copstead,
Joseph McNeel Collection
Figure 9 — Joseph McNeel
Figure 10 — Joseph McNeel
Figure 14 — Donald Hanley
Figure 13 — Joseph McNeel
Figure 15 — Donald Hanley
Figure 21 — Reese Martin
Figure 30 — Frank GreulichDesigner
Gerald Steffen

Substantial revision from Timber Harvesting Alternatives, EB 1316, by Reese Martin, Frank Greulich,
David Baumgartner, and Donald Hanley, UW and WSU respectively. December, 1985. Portions of this
text are taken from Managing Your Timber Sale, by William Schlosser, David Baumgartner, Donald
Hanley, Steve Gibbs, and Vincent Corraro, EB1818, WSU Extension, October 1996. A Primer for Timber Harvesting
EB1316
Contents
Introduction.......................................................................................................... 1
Planning................................................................................................................ 1
.Forest.Plans..................................................................................................... 1
Professional.Assistance........................................................................................... 2
. Public.Agencies............................................................................................... 3
. Private.Assistance............................................................................................ 3Important.Considerations.in.Timber.Harvesting. .................................................. 4
. Harvesting.Limitations. .................................................................................. 4
The.Logging.Process............................................................................................ 10
.Felling.and.Bucking...................................................................................... 10
Ground-Based.Yarding.Systems. .......................................................................... 14
. Yarding.or.Skidding...................................................................................... 14
. Layout.Recommendations. ........................................................................... 14
.Horses........................................................................................................... 15
. Rubber-Tired.Skidders.................................................................................. 17
. Tracked.Skidders........................................................................................... 19
. Forwarders....................................................................................................20
. Modified.Farm.Equipment. .......................................................................... 20
Cable.Systems...................................................................................................... 21
. Highlead.and.Jammers.................................................................................. 21
.Running.Skyline........................................................................................... 22
. Skyline.Carriages. ......................................................................................... 23
. Skyline.......................................................................................................... 24
. Terrain.and.Skyline.Relationships................................................................. 26...
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