122 GEOLOGICAL SURVEY OF NEW JERSEY. 



Table J3* 



One Acre Measured in Second-Growth Pine Near Ongs Hat, 

 Burlington County, New Jersey. 



No. of 

 trees. 



Diameter. 



2 Inches, 35 



3 " / 



4 " '8 



Number of Pine under two inches, 108. 

 Number of Oak under two inches, 162. 

 Average diameter of the Pine, 3.7 inches. 

 Yield of Pine estimated to be about 1.6 cords. 

 Soil, gravelly sand. Flat. Density, 0.4. 



23 



12 



9 

 6 



118 



Table J4. 



Nine Sample Acres Showing a Still Further Advanced Stage 

 in the Deterioration of the Forest by Fire. 



