ii4 GEOLOGICAL SURVEY OF NEW JERSEY. 



better portions. In this forest there were measured twelve 

 sample acres, a summary of which is given in Table 5, below. 

 The following sample acre is given in full and furnishes a very 

 good mental picture of the average conditions in this forest. 



Table 4. 



One Acre Measiired Near Wins low, New Jersey. 



Hickory. 



68 79 75 15 i 4 



Average height of Pine, 68 feet. Diameter of the average tree over ten 

 inches, 13.7 inches. Total volume, 2,127 cubic feet. Total merchantable 

 volume over ten inches, 7,208 board feet. Yield of hardwoods, 7.0 cords 

 (est). 



Soil, dry sand. Flat. Undergrowth composed of young Oaks and a few 

 Pine seedlings. Humus rather poor. Density, 0.6 of the normal. 



The following table gives a summary of the twelve acres 

 studied at Winslow. The merchantable trees are of various 

 ages, from 120 to 200 years old. It will be seen that there are 

 on an average about 45-50 trees per acre over 10 inches, with an 

 average yield of about 7,000 board feet. 



