402 



Report S.A.A. Advancement of Science. 



I. Method of Procedure. 



(I) = First Method —0° = south; 90° = west; l8o'' = north; 270° = east. 



[501 signifies station 501. 



Station to 

 Station. 



Azimuth. 



Foresight 

 Needle. 



Backsight 

 Needle. 



Measured 

 Distance. 



- Deep, Ltd. Survey of 4th level E. Drive, South. 

 Reef to face, 25th July, 1901. 

 Survey party (names). 

 Set instrument up on 501 B.S. to 500. 

 Course 90° 46. (See vol. 2, p. 30). 



