69 



Table HI. 

 Inclination and Convergency of the Meridians, 



For the construction and use of the above table, see articles (13,) (14,) (15,) 

 (17,) (18,) page 63. 



For details of instruction in IT. S. Government Surveying, see Hawes' System 

 of " Rectangular Surveying," and Burt's "Key to Solar Compass." 



