40 BULLETIN 426, U. S. DEPARTMENT OF AGRICULTURE. 
GRADES. 
Sugar pine lumber is classified into the following grades: 
Thick finish: 
No. Land 2 clear. 1, 14, 14, 2 inch widths. 
No. 3 clear. Same dimensions; must contain 70 per cent No. 1 door cuttings of 
No. 1 shop common sizes. 
C select. Same dimensions, one face finished; admits small defects. 
eat select. Same as C select, except admits more serious defects. 
iding: 
1 and 2 grade (B and better). Thickness 4 inch. 
No. 3siding. Thickness 4 inch; admits greater defecis than 1] and 2. 
Factory plank or shop common, graded for door cuttings: 
No. 1 shop common. From 50 to 70 per cent No. 1 cuttings. : 
No. 2shopcommon. Either 25 per cent No. 1 door cuttings or 40 per cent No. 1 
and 2 combined, or 50 per cent No. 2. { 
No. 3shopcommon. 1+}inch and thicker; not less than 124 per cent No. 1 and 2 
sash and door cuttings. 4 
Inch shop common. Must contain 50 per cent above described cuttings; cuttings 
must be 10 inches wide or wider, 22 inches long or longer; er, 8 inches wide or 
wider and 3 feet long or longer. 
No. 1 fencing D and M. Sound No. 1 fencing worked to flooring; when worked 
should be of character of No. 1 common strips. ; 
No. 2 fencing D and M. No. 2 fencing worked to flooring of character No. 2 
common strips. 
No. 3 fencing D and M. No. 3 fencing worked to flooring; some coarse knots, 
split and wane. 
Common lumber; 1 inch thickness: 
No. 1 common boards and strips. Sound, tight-knotted stock, free from large, 
coarse knots. 
No. 2common. Admits coarser and larger knots and more stained sap. 
No. 3 common. Admits large, loose, unsound knots; shake, red rot, blue sap 
stain. : 
Thick common lumber, 14 inches thick and thicker: 
Tank eee Dimension sizes, free from wane; sound knots and white sap ad- 
mitted. 
Step plank. 8 inches wide or wider; graded the same as No. 1 common boards, 
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AT 
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