361 [ 174] 
ENCAMPMENT ON SOUTH FORK OF: PLATTE RIVER. 
Determination of long ea July 21, 1843—altitudes of /rcturus. 
OBSERVATIONS. 
—_ — 
FIRST SERIES. = SECOND SERIES. 
Double altitudes of hime of chronometer. Bre acu of | Time of chronometer, 
Arcturus. 
Deg. min sec. h. min. see. Deg. min. min. sec. 
74° 41 40 09 8352.0 71 53 1l tv «= OF-.8 
73 651 -00 12 00.2 Yl 35° 45 it SF 
73 = 26 15 13 - 0F.6 71 ee ae 18 55.5 
73 «6004 0 14 05.3 7.405 50 . 19 S68 
72 40 = 50 15 70 28 20 8653.0 
RESULT OF CALCULATION. 
_Mean time. | Advance. ; Longitude. 
he min. sée. hi min. sec. Deg. min. “see. 
ee a | 1 08 17.7 { ie we 
TE 
