234 



/. C. Russell — Mount St. Ellas. 



From these observations the following angles betAveen the base 

 line and the line of sight to the summit of Mount St. Elias are 

 obtained. The correction for error of vertical circle has been 

 applied to the angles of elevation. 



Resulting Angles. 



The known elements of the triangle from which the distance 

 of St. Elias from the ends of the base line may be determined 

 are : 



wrii. 



E.B. 



16,876 feet. 



These data were sent from the field to the Secretary of the 

 National Geographic Society, 'and, in connection with other 

 measurements made at the same time, have been computed by 



