CONTENTS 
PART I. LAND SURVEYING 
PAGE 
Section I. The Surveyor’s Compass 
1. The Instrument. 1 
2. Adjustments of the Compass . 4 
3. Keeping the Compass in Order. 6 
Section II. The Magnetic Needle . 7 
Section III. Measurement of Distance. 9 
1. The Surveyor’s Chain . 9 
2. The Tape . 10 
3. Marking Pins. 11 
4. Chaining Practice. 11 
5. Measuring Inaccessible Lines. 15 
6. Stadia Measurement. 17 
7. Units of Distance and Area. 19 
Section IV. Surveying Practice. 19 
1. Running a Compass Line (Backsight, Picketing, 
Needle). 20 
2. Trv-Lines. 22 
3. Marking Lines and Corners. 23 
4. Original Surveys and Resurveys. 26 
5. Age of Spots or Blazes. 26 
6. Notes. 28 
7. Party and Cost . 28 
Section V. Computation and Office Work .... t 31 
1. Traverse. 31 
2. Area. 37 
3. Plotting. 40 
Section VI. On the Bearing of Lines . 43 
Section VII. On Obtaining the Meridian .... 51 
Section VIII. The United States Public Land 
Surveys. 60 
