THE AUTHORS 



Michael J. Gonsior is a Research Engineer for the Intermountain 

 Forest and Range Experiment Station. He has been with the 

 Station in Bozeman since 1965. He holds degrees of B. C. E. 

 from Rensselaer Polytechnic Institute and M. S. C. E. from 

 Montana State University, and has done additional graduate 

 study in soil mechanics at the University of California at 

 Berkeley. 



Rulon B. Gardner is Engineer-in-Charge of the Forest Engineering 

 Research Work Unit headquartered in Bozeman, Montana, at 

 the Station's Forestry Sciences Laboratory, maintained in 

 cooperation with Montana State University. For the past 18 

 years, he has been involved in the location, design, and con- 

 struction of forest roads in the Rocky Mountain area. The 

 past 8 years have been in research capacity. 



