This manual is the supporting manual for the TRAC (Timber Resource Access Calculation) compter program.
Research supported by North Central Forest Experiment Station Cooperative Research Study #13-80-10.
Montzka, Thomas B.; Rose, Dietmar.
TRAC, a road design program and manual..
University of Minnesota.
Retrieved from the University of Minnesota Digital Conservancy,
Content distributed via the University of Minnesota's Digital Conservancy may be subject to additional license and use restrictions applied by the depositor.