34 SECOND-GROWTH HARDWOODS IN CONNECTICUT. 



YIELD TABLES. 



The following tables, which give approximate yields per acre for 

 unmanaged even-aged hardwood stands are based on 187 plots 



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AGE -YEARS 



Fig. 3.— Yield per acre, in cubic feet, for three qualities in chestnut, oak-chestnut, and oak types. 



selected from the 268 plot measurements made in the course of the 

 study. The different classes of data were averaged graphically, and 

 from these results were obtained the figures given in the tables. For 



