CONTENTS 
viii 
PART II. FOREST MAPS 
PAGE 
Section I. The Transit. 73 
1. Adjustments. 73 
2 . Care of the Transit . 77 
3. Stadia Measurement. 77 
4 . Uses of the Transit. 80 
5. Summary.. . 87 
Section II. The Level. 87 
1 . Adjustments. 88 
2 . Uses of the Level. 00 
Section III. The Hand Level and Clinometer . . 93 
Section IV. Compass and Pacing. -04 
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 VIII. Advantages of a Map System ... 133 
PART IH. LOG AND WOOD MEASUREMENT 
Section I. Cubic Contents. 137 
Section II. Cord Wood Rule. 138 
Section III. New Hampshire Rule. 138 
Section IV. Board Measure. 139 
1 . General. I 39 
2 . Scribner and Decimal Rules. 141 
3. Spaulding or Columbia River Rule. 141 
4. Doyle Rule. 141 
5. Maine Rule. 142 
♦ 6 . New Brunswick Rule. 144 
7. Quebec Rule .. 145 
8 . Theory of Scale Rules and Clark’s International 
Log Rule. 145 
Section V. New York Standard Rule. 147 
Section VI. Scaling Practice. 148 
Section VII. Mill Tallies . 151 
Section VIII. Cord Measure. 157 
