& z : >. : : * bay. 
w [ 174 a 2 412 4 % 
_ ENCAMPMENT ON SNAKE RIVER, ABOVE THE AMERICAN FALLS. 
Determination of latitude, September 24, 1843—meridian altitudes of — 
the sun. 
OBSERVATIONS. 
. — : 
Double altitudes of the sun’s lower limb. Time of chronometer. ~ 
Deg. min, sec h. min. ~ see. 
92 57 05 0 46 i840 F 
92 57 50 46 
92 58 25 47 
. 92 59 15 48 24 
93 00 10 49 28. 
ats 10 21 
9 00 15 51 12 
93 00 50 52 14 
93 00 35 53 =" 
93 00 30 53 268 > oF 
92 59 40 55 " 
93 00 05 55 51 
40 ; 36 
92 59 20 57 121 
30 58 ¥ : 
92 67 50 59 02 
s Index error —= ++ 1 min. 47 sec. 
‘ RESULT OF CALCULATION. 
True central altitude. Apparent time of transit. Latitude. 
Deg. min. sec h. min. sec Deg. min. set. 
46 46 0 53 42 48 ated 
a 
. . : 
i sane: ono 
» 
