SURVEYING 



33 



an arrangement of the notes is found which is adapted to the 

 map, they should be traced with drawing ink. Although 

 not absolutely essential, it is suggested that all maps be 

 lettered in the customary way. 



Field No. 1 





Field No.B 



35. A. 





35 A 





Pasture 







15 A 





Field No. 3 





Field No. 4 



35 A 





35 A 



t-Vi 





U 94 





1 R 





Fig. 15. A farm map. 



QUESTIONS 



1. In what way may a farm map be used? 



2. What is the purpose of a sketch map? 



3. What drawing instruments are necessary for map making? 



4. What kind of paper should be used in making a map? 



5. Describe the making of a map. 



6. What is the use of conventional topographical signs? 



2— 



