FIGURE 18. PERCENT OF ALL RETAIL YARDS GRADING LUMBER. 



Grade Marking 



Although grade marking is less prevalent among retailers than grad- 

 ing, it closely follows the percentages for grading (Figure 19). Ahout 92 

 percent of all yards do no grade marking and only 1.5 percent grade 

 mark their total sales volume. There are no differences in grade marking 

 by yard size classes. 



FIGURE 19. PERCENT OF ALL RETAIL YARDS GRADE MARKING LUMBER. 



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