viii CONTENTS 



PART U. FOREST MAPS 



PAGE 



SECTION I. THE TRANSIT 73 



1. Adjustments 73 



2. Care of the Transit 



3. Stadia Measurement 



4. Uses of the Transit 80 



5. Summary 



SECTION II. THE LEVEL 87 



1. Adjustments 88 



2. Uses of the Level 90 



SECTION III. THE HAND LEVEL AND CLINOMETER . . 93 



SECTION IV. COMPASS AND PACING 94 



SECTION V. THE TRAVERSE BOARD 98 



SECTION VI. THE ANEROID BAROMETER 103 



SECTION VII. METHODS OF MAP MAKING 113 



1. Introductory 113 



2. Small Tracts 117 



3. Large Tracts 121 



A. With Land already subdivided 121 



B. Based on Survey of Roads or Streams ... 121 



C. Subdivision and Survey combined 123 



D. Western Topography. Use of Clinometer . 129 

 SECTION Vin. ADVANTAGES OF A MAP SYSTEM . . . 133 



PART III. LOG AND WOOD MEASUREMENT 



SECTION I. CUBIC CONTENTS 137 



SECTION II. CORD W T OOD RULE 138 



SECTION III. NEW HAMPSHIRE RULE 'l.ss 



SECTION IV. BOARD MEASURE 139 



General 139 



ner and Decimal Rules 141 



Spaulding or Columbia River Rule 141 



Duylr Rule 141 



Maim- Rule 142 



New Brunswick Rule 144 



Quelx-c Rule 145 



8. Tli.-ory of Sale Rules and Clark's International 



Log Rule 145 



SECTION V. NEW YORK STANDARD RULE 147 



\ I S( \; OKI I'usi iid US 



SECTION VII. MILL TAI . 1 ,1 



VHI. COBD MEASURE . 157 



