131 



so 



ERROR IN FOREST SERVICE TIMBER MAPS 



Tl fiber Mops Gonpored VI th Field Doto 



8D - 



ID - 



nicer Vftlu M Cl ass 

 ZZ) PERCENT AGREEMENT ES PERCENT DISAGREEMENT 



This figure presents a comparison of TLMP Revision timber type 

 maps with on -the -ground timber inventory data, showing the 

 percentage of mapped stands in each volume class that correspond 

 with field inventory data. Error is 85% for volume class 7. 



Source: Forest Service TLMP Revision Benchmark Analysis, Current Management Direction, 



11 



