w 
Py 
THE PLATTE RIVER, MOUTH OF 
\. eee Ce 
ENCAMPMENT ONE NORTHE FORK oF 
DEER CREEK. 
; : ‘ 
Debernt ation of latitude, July 26, 1842—altitude of Polaris. 
OBSERVATIONS. 
Double altitude of Polaris. 
2 € £o¥ be : <n ae error = pac Ste 
RESULT OF CALCULATION. 
. 
min. 
ee oe 
16 Oe ke 
see. 
02 
CSSeS 
a “ - 
Sea aeie oe: 4 “ 
se Fer mnemessggety ore 
2 4 cy 
a 
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me — 
ety 44 
: 3 
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ra * F Ste 3 
wb tag ato . # 
pe # = 
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, Stee = 
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