412 SELLINGLUMBER 



Grading Rules for Southern Yellow 

 Pint Lumber 



(Copyright 1916, by the Southern Pine Association) 



Southern Yellow Pine lumber and products, including tim- 

 bers, lath, shingles, box shocks, paving blocks, etc., are pro- 

 duced in unlimited quantities by the manufacturers who are 

 subscribers to the Southern, Pine Association, whose mills are 

 located in the States of Texas, Arkansas, Missouri, Louisiana, 

 Mississippi, Alabama, Georgia and Florida. 



Fully 95 per cent of the output of Southern Yellow Pine 

 lumber in the states named is graded and classified according 

 to the Standard Specifications of the Southern Pine Association 

 as printed herein. Quotations of prices are usually made upon 

 the basis of these Grading Rules, which in all essential features 

 have been recognized by the lumber trade for many years. 



GENERAL INSTRUCTIONS. 



SOUTHERN YELLOW PINE LUMBER shall be grad- 

 ed and classified according to the following rules and specifi- 

 cations as to quality, and dressed stock shall conform to the 

 subjoined table of standard sizes EXCEPT WHERE OTHER- 

 WISE EXPRESSLY STIPULATED BETWEEN BUYER 

 AND SELLER. 



2. Recognized defects in Yellow Pine are knots, knot holes, 

 splits (either from seasoning, ring hearts or rough handling), 

 shake, wane, red heart, pith, rot, rotten streaks, worm holes, 

 pitch, pitch pockets, torn grain, loosened grain, seasoning checks, 

 sap stains and defects caused by manufacturing. 



KNOTS. 



3. Knots shall be classified as follows : 



(Pin, 



SIZE \ Standard, 

 [ Large. 



FORM 



|Spike. 



fSound, 



QUALITY J Loose - 



Encased, 



[Pith and Unsound. 



