{ 174] 
350 
ENCAMPMENT ON A SMALI. LAKE IN THE SANDY PLAIN BETWEEN THE 
REPUBLICAN AND SOUIH FORKS OF THE PLATTE RiVER 
Determination of latitude, June 
28, 1848—allitudes of Polaris. 
: OBSERVATIONS. 
Double altitudes of Polaris. . _ Time of chronometer. . 
Deg. min. see. min, — sre. 
7s Az Ov 10 50 44 
73 53 40 53 06 
a 55 29 54 49 
78 £6 60 Su 3% 
‘i 73 56 30 63 56 
78 57 30 11 ol ‘7 
78 59 0 02 26 
73 59 20% 04° iL 
79 OL 10 06 24 
= 7 OL 25 07 33 
Index error — — 20 sec. «4 
RESULT OF CALCULATION. 
True altitude. Mean time. Latitude. 
Deg. min. see. “fe min. see Dg. min. sec. 
39.) 37s 29-49 04 40 04 
Determination of latitude, June 28, 1843—meridian altitude of a Aquilie. 
Double altitude of a Aquile. True altitude. Latitude. 
Peneraeer 2 ’ 
Deg. sre. Deg. min. sec. Dez. min ae. 
116 Ol 50 58 30 40 27 24 
Sih AS a : 
* 5 et rs iG 
