CONTENTS 



PAGE 



Introduction 131 



Historical 133 



Kinds of Forest Fires 134 



Surface Fires 135 



Ground Fires 135 



Crown Fires 135 



Damage Done by Fires 136 



Direct Damage 136 



Indirect Damage 137 



Causes of Forest Fires 138 



Railroads 139 



Clearing Land 140 



Campers 141 



Smokers 142 



Lightning 143 



Incendiarism ' 143 



Berry Pickers 144 



Miscellaneous 144 



Protective and Preventive Measures 146 



Patrol 146 



Observation Stations 148 



Telephone Lines 150 



Roads and Trails 152 



Fire Lines 152 



Education 153 



Railroads 154 



Restriction of Fires to Clear Land or Burn Brush 154 



Disposal of Slash 155 



Fire Fighting 157 



Organization of the Fire Fighting Crew 157 



Methods of Attack 159 



Trenching 159 



Water 160 



Chemical Extinguishers 160 



Whipping 161 



Sand 161 



" Fire Trains " ' 161 



Back Firing 161 



Patrol After a Fire is Under Control 162 



Progress in Legislation 163 



6 [129] 



