U. S. FOREST SERVICE ''''^^^^ " °o not 



^[2, RESEARCH PAPER INT-9 — z^-^^-^^^^. 



^'-1 1964 



A99.9 F764U 



ROOTS OF A PONDEROSA PINE 



■■ '"1 

 i 



. « 



• ---"^ 



' ' JAMES D. CURTIS 



DIVISION OF FOREST DISEASE AND 

 ^ TIMBER MANAGEMENT RESEARCH 



% 



INTERAAOUNTAIN FOREST & RANGE EXPERIMENT STATION 



FOREST SERVICE 

 - ^ - U. S. DEPARTMENT OF AGRICULTURE 

 ■ - . OGDEN, UTAH 



