PART I. LAND SURVEYING 
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 . Try-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 .... 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 
