30 



BULLETIN 101, U. S. DEPARTMENT OF AGRICULTURE. 



** 









Mill 









40 











\ 1 1 



















L0DGEPOLE PINE 

















JACK PINE 





































36 



32 







































+* 



5 







i 



X 





























36 















\ 







/ 



\ 





























32 





















/ 



\ 









































1 



I 



/ 



i 



\ 





^2$ 

 8=24 



D. 

 W 



(D20 



























*-28 



a 

















\ 



/ 







\ 



























/ 















\ 



/ 







\ 



























g24 



/ 















i 



\ 







> 





















































/ 



\ 





















to 

 ■ 20 





























/ 











































/ 



V 





H 

 0. 



g 12 

 to 



a 

 < 



8 





/ 



\ 





















1 





















/ 





s 





/ 



\ 



















/ 



o W 



















/ 











/ 



I 



\ 









y?^ 





/ 





fl. - 



I" 



01 



















( 









/ 







\ 













^ 



/ 



, ^ 















^ 



X' 











/ 







\ 



















8 





/ 























/ 



J 



5 1 



\ 



P* 

















/' 



























/ 





\ 



r~- 

















4 



























/ 















































* 



* 









































































25 50 75 100 125 

 PRESSURE - LBS. PER SQ. IN. 



150 



25 50 75 100 125 150 

 PRESSURE - LBS. PER SO. IN. 



44 





1 1 1 1 1 1 1 1 1 





40 





WESTERN YELLOW PINE - CAL. 





























36 



















































32 



















































^■28 

















































o 



g24 



A. 

















































09A 

























$ 



1 



516 

















V 



V 





/ 



7 















y 



/ 





N 



// 















/ 



1^- 



— - 1 







i 





t- 







fi. 

 Sl2 











/ 



















/ 



i— * 





















8 





/ 























/ 

























J 



I 











































































25 50 75 100 125 150 



PRESSURE - LBS. PER SQ. IN. 



44 





1 1 1 1 1 1 1 1 1 





40 





WESTERN YELLOW PINE -MONT. 



























/ 



36 















i 









/ 



















/ 



\ 









32 















/ 



/ 



\ 







/ 















' 





\ 





1 



"■28 



3 













./ 









\ 

























\ 



j 





O 

 K 2A 













/ 









\ 







£L 













1 









\ 



I 





m20 









i 



1 

















m 30 









\ 



1 











,s 



> 





I' 6 



1- 









\ 



/ 























\ 



/ 

















0. 



gl2 



v> 

 a 









I 



5 









































< 

 8 









S 



i 

























\ 

















4 











































































25 50 75 100 125 150 



PRESSURE - LBS. PER SQ. IN. 



© HEARTWOOD O SAPWOOD 



Fig. 8. — Absorption in the hear.twood and sapwood of lodgepole pine, jack pine, and 



western yellow pine. 



