CONTENTS XI 



PAGE 



Polyporus schweinitzii 123 



White Pine Blister Rust 124 



White Heart Rot 126 



White Pine BHght 129 



Chapter VIII. Forest Fires. 



Kinds of Fires and Damage done 131 



Causes of Fires 136 



Fire Prevention 138 



Fire Lines ^42 



Roads and Trails 146 



Extinguishing Fires 146 



Estimating the Damage done by Forest Fires 152 



Chapter IX. Timber Estimating and Valuation 156 



Estimating Timber on Small Woodlots iS7 



Estimating Timber on Large Woodlots 161 



Estimating Timber on Large Forest Tracts 161 



The Money Value of Standing Timber 165 



Chapter X. Growth of Trees and Forests , 171 



Growth of Trees 171 



Age of Trees 172 



Diameter Growth i74 



Height Growth i7S 



Volume Growth 176 



Growth of Stands : 178 



Age of Stands 178 



Diameter Growth ^79 



Height Growth ^79 



Volume Growth i79 



PART II. New England Forests and Their Management 183 



Chapter XI. The Original Forests and Their Early Develop- 

 ment 183 



Chapter XII. Present Forest Conditions 196 



How to find Information Applicable to a Particular Tract 199 



Chapter XIII. The Spruce Region 2cx) 



General Considerations 200 



Forest Types 203 



Swamp 2°5 



Spruce Flat 206 



Hardwood 208 



Spruce Slope 209 



