467 pita 
CAMP NBAR THE MUD LAKE. 
Determination of latitude, January 3, 1844—altitudes of Polaris. . 
: OBSERVATIONS. 
4 
Double altitudes of Polaris. Time of chronometer. 
‘ ‘ 
| Deg. min. see. h. min. © set 
84 30 7 18 18 
84 35 15 20 06 
s4° 35 50 ~ 92 
35 15 24 40 
e4 35 10 25 25 
Index error = ++ 1 min. 45 sec. 
RESULT OF CALCULATION. 
a : 
ce: True altitude. Mean time. : Latitude. 
Deg. min: see. hs —-rins—~-80¢: Deg. min. see. — 
42 17 39 6 55 31 40 48 15 
CAMP NEAR THE GREAT BOILING SPRING. 
Determination of longitude, January 6, 1844—altitudes of: a oS Si 
| OBSERVATIONS. * Caos 
Double altitudes of « ae, & ie "Time of chronometer, F 
go mete He hk. + min. __ see. eS 
70 1 40 7. 10 06s 
ee ee 10 56.0 
- 47° 30 11 45.6 
66 «38S 20 12 %° ‘ 
oe .. 6° 46 13 7.3 
Index error = ++ 1 min. 48 sec. 
RESULT OF CALCULATION. 
Mean time. Advance. . . Loagitude. 
min. . 
66 44 23 Oa 334 
a pe . 
is oa a 
