TABLE OF CONTENTS xi 



PAGE 



133. The Tree Record 155 



134. Measurements of the Tree Required for Classification 156 



135. Measurement Required to Obtain the Volume of the Tree. Systems Used 158 



136. Computation of Volume of the Tree 161 



137. Classification and Averaging of Tree Volumes According to Diameter and 



Height Classes 163 



138. The Graphic Plotting of Data — Its Advantages. 166 



139. Application of Graphic Method in Constructing Volume Tables 169 



140. Harmonized Curves for Standard Volume Tables, Based on Diameter .... 169 



141. Harmonized Curves Based on Height 170 



142. Local Volume Tables, Their Construction and Use 174 



143. The Derivation of Local Volume Tables from Standard Tables 175 



144. Volume Tables for Peeled or Solid Wood Contents 176 



CHAPTER XII 



STANDARD VOLUME TABLES FOR MERCHANTABLE 

 CUBIC VOLUME AND CORDS 



145. Purpose and Derivation of Tables for Cubic Volume of Trees 177 



146. Branchwood or Lapwood 177 



147. Merchantable Limit in Tops and at D.B.H 177 



148. Stump Heights 178 



149. Merchantable versus Used Length 178 



150. Waste, Definition and Measurement 179 



151. Defect or Cull 179 



152. Conversion of Volume Tables for Cubic Feet to Cords 180 



CHAPTER XIII 

 VOLUME TABLES FOR BOARD FEET 



153. The Standard or Basis for Board-foot Volume Tables 182 



154. Adoption of a Standard Log Length 182 



155. Top Diameters, Fixed or Variable Limits 183 



156. Defective Trees, Measurement 184 



157. Total versus Merchantable Heights as a Basis for Tree Classes 185 



158. The Coordination of Merchantable Heights with Top Diameters 185 



159. Construction of Board-foot Volume Tables 188 



160. Data Which Should Accompany a Volume Table 188 



161. Checking the Accuracy of Volume Tables 189 



CHAPTER XIV 



VOLUME TABLES FOR PIECE PRODUCTS, COMBINATION 

 AND GRADED VOLUME TABLES 



162. Volume Tables for Piece Products 191 



163. Volume Tables for Railroad Cross Ties 191 



164. Combination Volume Tables for Two or More Products 193 



165. Graded Volume Tables 193 



