x 174 7 <a 418. 
ENCAMPMENT oN SNAKE RIVER, TWO ‘MILES BELOW FISHING FALLS, 
Determination of longitude, | October 1, 1843—aléitudes of a Lyre. 
OBSERVATIONS. 
| 
aL : o> 
FIRST SERIES. 7 SECOND SERIES. 
F . 
~ciaaiiiaepe : Es Bice i 
| Double altitudes of | Time of chronometer. ox altitudes | of Time of chronometer. 
: iy a Lyre. ag 4 a Lyre. ah 
E es : : ' — bade | 
a 
Deg. min. sec. ~~ = hh.” ‘min. see. Deg. min sec. min. set. 
ee 10 30 24.0 ll - 10 35 
98 56 00 36.0. 97% -.06 30 36 - 6 
98 35 20 32 33.0 96 43 50 37 
9s is 10 0 27 Pm 38 31, C) 
oe ) 34 «215.4 95 50 50 40 14.0 
mee: : Index error = + 1 min. 30 sec, 
Se * “RESULT OF CALCULATION. 
Mean time. Advance. Longitude. | 
* = -_— saa 
h. min. sec. } h. min. sec. Deg. min. see. 
ee SS @ Lo Se 114. 86 12 
wea ~ ENCAMPMENT.ON SNAKE RIVER. 
Determination of latitude, October 2 3 leo —aliitudes of Polaris. 
— —— er ; OBSERVATIONS. 
- Double altitudes of Polaris. “e Time of chronometer. . = 
