SURVEYING 41 



were intended to be or not. Future surveys may be made 

 to further subdivide the tract, but as long as the original 

 corners are known, no additional surveys can change them. 

 If the corners become lost, a resurvey may be made to locate 

 them, not where the corners ought to be according to the 

 system, but where they were first located. There are many 

 considerations and points to be taken into account in the re- 

 storation of lost and obliterated corners and subdivisions 

 of sections, and it is advised that this be left to the pro- 

 fessional and authorized surveyors. 



QUESTIONS 



1. What was the purpose of the United States rectangular system 

 of public land survey? 



2. What is the general plan of this survey? 



3. Explain how the land is divided into townships and sections. 



4. How are townships numbered? 



5. How are sections numbered? 



6. Explain how sections are divided and the parts described. 



7. How were corners marked in the original survey? 



8. Describe the process of surveying by metes and bounds. 



9. What is the purpose of a resurvey? 



