142 
APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 
ASTRONOMICAL OBSERVATIONS—Continued. 
Determination of time, March 31, 1854. —Double altitudes of 
the Sun’s upper limb. 
Double altitudes of Spica Virginis, in the east. 
Thermometer 55£° Fahrenheit. 
CAMP FORTY-FOUR MILES EAST OF SULPHUR 
SPRINGS OF THE COLORADO. 
DETERMINATION OF LATITUDE. 
Thermometer 41° Fahrenheit. 
Magnetic bearing. 
07 01 
08 19 
11 05 
12 03 
13 29 
14 29 
15 27 
N. 13 30 00 W. 
Double altitude of Sirius, in the u-est. 
57 44 50 
57 32 40 
56 35 00 
56 18 00 
55 53 30 
55 37 00 
55 IS 20 
55 03 40 
54 47 40 
54 26 10 
0 32 17.09 
Double altitudes of Arcturus, in the east. 
Magnetic bearing. 
5. 27 10 00 W. 
Double altitude of Spica Virginis, in the cast. 
Magnetic bearing. 
08 10 
09 04 
09 57 
10 54 
11 51 
12 50 
S. 59 00 00 
70 33 21) 
71 02 00 
71 24 40 
71 47 40 
72 J6 30 
72 39 50 
73 02 00 
73 23 10 
Thermometer 47° Fahrenheit. 
