332 



The Farm Woodlot 



YIELD OF FULLY STOCKED STANDS OF SECOND-GROWTH 

 WHITE PINE l 



NORMAL YIELD TABLE FOR SPRUCE QUALITY III 



(Graves' Mensuration) 



!From "The Natural Replacement of White Pine on Old Fields in 

 New England," by S. N. Spring, Bull. No. 63, U. S. Forest Service, 1905. 



