os ze, tk sie 
GOR is. [Atha 
“i a 
ENCAMPMENT ON CROW CREEK. ‘ ra 
Determination of latitude, July 12, 1842—allitude of Balarts, 
OBSERVATIONS. 
A 
Double altitude of Polaris. Time of chronometer. 
Deg. min. . st. *- hk. min. see. 
79 39 30 il 31 28 
79 41 40 i 35 29 
45 40 il 41 24 
Index error = + 7 sec. 
RESULT OF CALCULATION. 
True altitude. Mean time. Latitude 
Deg Z. MIN, see. h. min. sec. Deg. min. sec. 
50 #13 9: 326, 3t 40 00 
Determination of longitude, July 12, 1842—altitude of « Aquilz. 
OBSERVATIONS. 
+ ae * 
3 | SECOND SERIES. 
ye ae 
Double altitude of a | Time of chronometer. | Double site of « | Tine of chronometer. 
Aquile’ : a : ek ee ri a 
Dez. min. sec. min Deg. min, see. BPC. 
63 «16: 30 a ae (47 8. 36030 ol 
84 38 30 11 62 58 86 26 10 c 36 
RESULT OF CALCULATION. © 
Mean time. Advance. | ___. Longitude. 
| : Ngee . ; 
kh. min. sec. h. min. sec. . Deg. min. sec. 
9 42 53 2 12 2 af 105 «3387 
