374 



CURVES OF MAGNETIC ELEMENTS 



Isodynamic Observations. 



(No. 1.) 



(No. 2.) 



L. 



M. 



dL. 



dL'. 



Station 31, '33 10111541.150 



Pimo Villages, '33 7,111 441.143 , _ 



Rio San Pedro, 32 59110 391.143| + 6 —0 50—0.012 + 



Copper Mines, 32 47108 4 1.164^ _ 6 +1 45+0.009 + 



+ 289 



+ 17 '—2 5—0.005 



-fl4 —1 55—0.012+ 196 

 . 3g 



36 



Dona Ana, 32 22 106 47 1.174 



-31 



32 53109 491.1551 



+3 2 



+0.019+ 961 



d3f. 



dL.dM. 



dL.dl. 



d M. d I. 



+12625 — 2125—0.085' +0.625 



-1-30625 — 2450—0.168 +1.380 



-j- 2500 — 300—0.072 +0.600 



+ 11025 — 630—0.054 +0.945 



4-33124, — 5642— 0.589j +3.458 



1+1518 I +92899 —11147—0.968 +7.008 



