Bul. 820, U. S. Dept. of Agriculture. PLATE XV. 
F-—37557A 
Fic. 1.—FIVE-YEAR-OLD JACK PINE PLANTATION TO RIGHT OF FIRE LINE, 
AND 9 To II YEAR OLD YELLOW PINE PLANTATION TO THE LEFT OF 
FiRE LINE, IN THE DISMAL RIVER DIVISION OF THE NEBRASKA NATIONAL 
FOREST. 
Jack pine survived and grew on more severe exposures where Scotch, Norway, and western yellow 
pines, Douglas fir, and arborvite failed. 
F—22159 
FIG. 2.—FIFTEEN-YEAR-OLD PLANTATION IN HOLT CouNTy, WHERE REAL 
FOREST CONDITIONS HAVE BECOME ESTABLISHED. 
PLANTATIONS OF JACK PINE IN THE SAND HILLS OF NEBRASKA. 
