ENCAMPMENT ON SNAKE RIVER, ABOVE THE AMERICAN FALLS) 
Determination of latitude, September 24, 1843—altitudes of Polaris... 
tee, OBSERVATIONS. c . 
Double altitudes of . Polaris. Time of chronometer. 
16 00 8 46 21 
86 17 20 48 22 
8 26 49 
86 19 40 51 49 
86 24 40 54 il 
Index’ error == + 1 min. 45 see. 
* 
a ; RESULT OF CALCULATION. 
True altitude. Mean time. Latitude. 
Deg. min. sec. h. min. sec, Deg. min.  seé. 
43 09 7 19 42 
4 nog HALT ON SNAKE RIVER, - 
Determination of jatétende, Sept. 28, 1843—meridian altitudes of the sun. 
OBSERVATIONS. 
” ‘Double altitudes of the sun’s lower limb. Time of chronometer. 
Deg. min. sec. h.. min. ~ see. a 
89. 42 50 0 55 0s 
: 80% 49: 15 @ 55. 56 
43 00 56 40 
89 cc 42.4: 4 ° 57. 15 
9. 42-10 57... 56 
89 <4 41-2550 58: 32 
89.2 41s 10 59. 17 
& 89 40 00 1 00 I 
14 80-<: 37 ac 45 
. 89 35... 2v 03, 41 
RESULT OF CALCULATION. oe 
ers Wk os et 6” Bo ete ee 
: i ae eer r S s ae 
