Ex. Doc. No. 41. 



211 



4 



Appendix No. 5— Continued. 



July 19j 1846.— Cawj? 20, Jackson Grove 



Time, p. m. 



DETERMINATION OF LATITUDE. 



Double altitudei of Po 



laris. 



Latitude. 



h. m. s. 



3 43 52.0 



3 45 01.3 



3 46 12.5 



3 47 05.5 



3 48 *06.3 



3 49 00.0 



3-50 04 . 



3 50 43.8 



3 52 01.0 



3 53 05.0 



3 54 00.0 



3 56 12.8 



3 56 52.5 



3 57 31.7 



3 58 16.8 







Deg.min. sec 



73 26 30 



73 27 10 



73 27 55 



73 29 00 



73 29 40 



73 30 00 



73 30 30 



73 31 00 



73 31 35 



73 32 00 



73 32 40 



73 33 40 



73 34 20 



73 



35 



00 



73 35 40 



Deg.m in .sec 



37 41 53 



37 41 52 



37 41 35 



37 41 51 



37 41 56 



37 41 46 



. 37 41 41 



37 41 45 



37* 41 39 



37 41 33 



37 41 33 



37 41 23 



37 41 30 



37 41 33 



37 41 44 



Jr 



Thermometer 72°. 



I 



Mean of 15 observations, 57° 41' 41". 



J 

 I 



u 



^ 



I 



^ 



■r 



