rif-K*** 



FIG 44. GUMPICKERS CAMP 



Spruce woods near Barneveld, X. Y. Gum gathered from the trunks of spruce 

 trees is a paying by-product of the northern forest 



FIG. 45 SUGAR MAPLES AT BURLINGTON. VERMONT .>1 



Maple trees may be tapped for maple sugar and still yield good timber. 



