THE AUTHOR 



DAVID A. HAMILTON, JR., is a research forester working in timber measurements and management 

 planning research at the Forestry Sciences Laboratory, Moscow, Idaho. Since receiving his Ph.D. 

 degree in forestry from Iowa State University in 1 970, he has worked on the sampling and modeling 

 of forest mortality and on the problem of specifying optimal precision levels for resource 

 inventories. 



