FIGURE 1. 
FIGURE 2. 
FIGURE 3. 
TIGURE 4. 
FIGURE 5. 
FIGURE 7. 
FIGURE 8. 
INDEX OF PLATES AND FIGURES 
Page 
Mature yellow birch grown on hardwood land under virgin 
CUED MOTISES Ml ara Pa ates SAG ond Scale «5. Se OOS Frontispiece 
Height growth of red spruce for the last ten years on trees 
which in 1907 were from one to ten feet high......... 24 
Map and diagrams of sample acre, spruce flat type, Wana- 
Kena ine. elogoed. NOOB) ony cs' os) oles l= <)eeis between 28 and 29 
Growth of the principal species fourteen years following 
burn on mixed hardwood land, Wanakena, N. Y........ 
between 36 and 37 
Natural reproduction sixty years following fire. Upper 
story of aspen followed by yellow birch with an under 
SCO Oly, 8 PUG, fhe senate 3) eto retehe eit Steud oval ot staan egy hota eh de 38 
Pole stand of yellow birch following fire. Subsequent 
ground fire has completely destroyed under story of 
PSUR eich ste Sich dyelen barn oie eaiarra eTeblic eel) ae ta alah deans 4752 39 
Natural reproduction on clean cut land yielding thirteen 
cords per acre in twenty-three years. Northern Adiron- 
RES ool toe aie As Sm viel pate Vstoiare el: Make Goisi vacge dh fabad cco stone 46 
Reproduction in second year following hard and softwood 
logging operation. Emporium Forestry Company land, 
Stamlbciwval CNCem COUN VIN OY crs sisicy.1u.5 Prtattets wee Asapeomiss 47 
[9] 
