cam 
MENT ON SNAKE 
- ENCAMP RIVER. 
Determination of longitude, October 2, 1843—altitudes of « a ig 
OBSERVATIONS. 
alten 
FIRST SERIES. SECOND SERIES. _ 
Double altitudes of | Time of chronometer. Double altitudes of _ | Time of chronometer. 
a Lyre. a Lyre. ae 
“ | as 
Deg. min.” sec. hh. min. — sec. || Deg. min. sec. h. min. sec. 
92 55 15 a 10 45 28.4 90 53 40 10 51 09.5 
92 26 20 . 46 49.0 90 29 40 oe 38.0. 
91 59 40 48 07.0 90 06 20 53. RAT 
91 36 30 49. 10,0 || 99 46 15 22.0 
oe 26. 50 50 =: 05,3 | 89 22 00 55 =31,0 
Thermometer 48°.5. 
Index error = ++ 1 min. 30 sec. 
: RESULT. OF ‘CALCULATION. 
: Mean time. ; Advance. ; Longitude. 
: ill = a a [ek 
h. min. sec h.” Min. sec. 4 Deg. min. — see. 
1 05 15.3 = 114 53 04 
ENCAMPMENT AT THE FORD WHERE THE ROAD CROSSES SNAKE RIVER, 
Determination of latitude, October 3, 1843—altitudes of Polaris. 
OBSERVATIONS. _ ig meres 
a ak eres a * 
_ fa Ene = — 
D min.  sée. é 
50 10 kg 
87 51 50 Mine 
ev. 57 30 ' 
87 58 ; 
87 659 | 2 
.- 1 min. 30 sec. 
f his 
RESULT OF CALCULATION. 
a 
