f 174] 333 
ENCAMPMENT ON BLACK CREEK, A TRIBUTARY TO THE KANSAS. 
Determination of latitude, June 4, 1813—allitudes of Polaris. 
OBSERVATIONS, 
Double altitudes of Polaris. , : Time of chronometer. 
a et me ge ee 
Fe MIN SC. Ay min. sec. ; 
= im 4 9 32 ov : 
-. 2& 00 : 35 13 
% 00 37 0 
vis) 30 00 38 56 
Index error == — 15 sec, = 
RESULT OF CALCULATION. 
True altitude. | Mean time. : Latitude. 
IS i i er au Ts ee es eee ee ee 
h. min. see. h. min. sec. D g. min. see. 
Lae | ee b eae | SS 88 db 2 P 
. 
3 
Determination of longitude, June 4, 1843—altitudes of a Lyre, 
_ OBSERVATIONS. 
aa tei ac rear genoa eae ae ee 
a Double altitudes of « Lyre. Time of chronometer. 
