EXPLORATIONS ACROSS THE GREAT BASIN OF UTAH. 



Horizontal intensity. — E '.<■[>■-, -'meats of vibration. — Camp half-mile south of Fort Leavenworth, May 

 10, 1858.— Magnet A 67, Inertia ring, Z.— Chronometer 1821. 



t 



ll 



1 



I 



P 





»*=V" 



1 



M 



« 



180 



390 



..**.. 



L :::: 



— - 





























"^o" 



"3M 



1 

















4-.0 



M.: 





Mean> ■ 









1-- 3d 









Horizontal' ■ nmeter.—Camp, A wife south of Fort Leaven- 



worth. May 10, 1858— JZ(/</«e? A 67, ,/, I in, suspended. 





1 



1 



1 





Circle reading. 



No. 





Mean. 



No. 



A | B | Mean. 



« 



f 



5 



™ « « « I 



:: 



; 



::ij:i,:: 





