70 



Land Magnetic Observations, 1914-20 



NORTH AMERICA. 



Newfoundland (Including Labrador Coast). 



United States. 



Dutch Harbor, .1*. 



53 54 . 2 N 



193 28 



Jul 22. '15 



Jul 23, 15 



Jul 24, 15 



Jul 24 



Jul 24 



Jul 



Jul 



Jul 27. 15 



Jul 27, 15 



Jul 27, 15 



15 

 15 

 26. 15 

 26. 15 



h h h 



15.4,18.0 



14.1,17.0 



8.6.11.2 



11.7 



15.4.15.5.16.6 



8.5,10 4,10.8 

 13.5 to 16.2 (4) 



8.5.10.0,11.5 



13.7 to 18.5 (dv) 



h 



16.0, 

 14.5, 

 9.0, 

 13.6. 



h 

 17.5 

 16.6 

 10.8 

 14.6 



17.3 

 8.8 

 10.3 



to 1 

 (8) / 

 , 9.5 

 ,11.1 



c. g. s. 



2II7SI) 

 .20772 

 . 20772 

 .20771 



.20785 



.20771 

 .20754 



25 



25 



25 



5 



5 



5 



5 



5 



5 



25 



C IV 

 C IV 

 C IV 

 C IV 

 C IV 

 C IV 

 C IV 

 C IV 

 C IV 

 C IV 



Local disturbance. 



Berger and Son theodolite. 



