595 [174 J 
FIRST ENCAMPMENT ON THE RIGHT BANK OF PLATTE RIVER, 1,970 FEET 
BOVE THE LEVEL OF THE GULF OF MEXICO. 
Determination of latitude, June 26, 1842—altitude of Polaris. 
OBSERVATIONS. 
Double altitude of Polaris. Time of chronometer. 
Deg. min. see. h. = min. see. 
79 06 15 11 20 50 
79 07 10 11 23 29 
79 09 20 11 25 51 
79 09 35 ill 27 28 
79 10 45. ll 09 
79 ll 30 ll 32 00 
79 12 30 Tt 84 00 
79 14 20 11 35 52 
79 14 35 11 37 
o 79 15 00 11 38 54 
*- Tmdex error — ++ 25 sec. . 
RESULT OF CALCULATION. 
4 
True altitude. Mean time. Latitude. . 
Deg. min. sec. h. min. _ see. 
39 34 31 9 39 34 40 41 10 
Determination of latitude, June 26, 1842—altitude of Antares near the 
meridian. ; — 
é 
OBSERVATIONS. 
Double ‘altitude of Antares. Time of chronomeler: 
Deg. min. sec. h. min. see. 
46 ~ 31 20 li $468 = oe 
46 32 20 il St. eS 
_ RESULT OF CALCULATION. _ 
on 2 . 
a: a oS | - oe eS 
