116 



TOPOGRAPHIC SURVEYING 



It has been used extensively for this purpose by the United 

 States Coast and Geodetic Survey and the United States 

 Geological Survey. It is also adapted for smaller surveys, 

 such as that of a park, in which it is desired to locate numer- 



FIG. 5 



ous objects within a small area, and in surveys for rough 

 maps, the time for making which is limited and in which only 

 some of the principal points are located accurately, the other 

 features being sketched in by eye. 



