128 GEOLOGICAL SURVEY OF NEW JERSEY. 



Table i9. 



Age of Pine SprotUs on the Upper or West Plains^ Near 

 Chatswortk^ Burlington County^ New Jersey. 



Height, 

 Feet. 



4 

 3 



7-S 

 6 



5 

 8 



5-5 



4 



2.5 



4 

 8 



5 

 6 



Age. 

 Yean, 



12 



31 

 22 



i6 

 i8 

 13 

 IS 

 13 



i6 

 13 

 15 



Height 

 Feet. 



3 • 



2-5 



4-5 



5 



5-5 



4-5 



6 



3 



3-5 



6 



7.5 



4 



5 



Age. 

 Years. 



II 



7 

 8 



10 



i6 



15 



12 



13 

 i6 



7 



12 



Height. 

 Feet. 



7 

 3 



3-5 



5 



4 



3.5 



4-5 



3-5 



4-5 



3-5 



6 



4 

 5 



Age. 

 Years. 



17 

 7 



10 



II 



9 



15 



II 



lO 



9 



IS 



10 



13 



Table 20. 



v4^^ o/" Larger Pine Groiving Within the Limits of the 

 Upper Plains. 



From these measurements it appears that the oldest and 

 largest trees are under fifty years of age, and that the small 

 growth averages about ten to fifteen years. 



