No. IV.] 



LATITUDE, LONGITUDE, AND VARIATION. 



637 



Results of the Observations for Latitude, Longitude, and Variation, continued. 



Date 

 1820 



Latitude 

 North 



Longitude 



by 



Chronometer 



Variation 

 East 



Place of Observation 



Mar. 19 



June 



A.M. 14 



14 



O / // 



57 24 07 



58 42 37 





c 



I 

 G 



s 



15 



15 

 16 

 17 

 17 



54 20 10 



54 39 49 



// 



111 18 20 



By Lunar*, 



ea-t and west 



of the nioou 



101 53 31 



// 



Pierre an Calumet 



22 49 32 Fort Chipewyan. 

 B.&F. 



102 13 



§ 22 



a 



a, 



24 



102 41 13 



103 34 15 



55 25 44 

 55 39 44 



24 



2 25 



CO 



03 



co 



2 



c 



26 



55 44 55 



55 42 46 



105 55 55 





T3 



o 



28 

 July 



1 



OS 



c 



1 



1 



3 



o 



3 



>» 



-a 

 S 



en 



o 



a5 



2 

 3 

 3 



7 



55 26 45 



106 46 22 



55 47 26 



108 16 45 



Sturgeon River. 

 Sturgeon River. 



Ridge River. 



Ridge River. 

 Pine Portage. 

 Frog Portage. 

 English River. 



English River. 



20 17 |Pin Portage, English 



River. 



Three miles from the Eas- 

 tern entrance of Lake, 



Entrance of Sandy Lake,' 

 English River. 



In Knee Lake, English 

 River. 



Isle a la Crosse. 



Near the South entrance 

 of Clear Lake. 



Date 

 1820 



Latitude 

 North 





Longitude 



by 



Chronometer 



Variation 

 East 



Place of Observation 



J uly 25 



28 



30 



Auk. 3 



11 



t 11 



J 



12 



S 12 



July 5 

 19 



A.M. 24 



56 7 37 



56 18 58 

 56 43 20 



56 39 43 



109 6 15 



109 52 00 



110 49 20 



111 11 00 



24 



58 15 25 



58 57 52 



59 52 16 



111 26 12 



60 54 52 



113 25 36 



21 15 10 



25 2 30 



25 40 30 



27 20 10 



27 25 14 

 H. 



26 45 



West side of Clear Lake, 



Entrance into Buffalo 

 Lake. 



Buffalo Lake. 



In the Methye River. 



In the Methye River. 



North side of Methye 

 Portage. 



Clear Water River. 



Half a mile S.E. of the 

 Elk River. 



Elk River. 



In the Elk River. 



In Stony River. 



Entrance of Dog River. 



Just above the bend in 

 Slave River. 



Slave River. 



3 

 4 



4 



7 



8 



9 



9 



11 



11 



12 



13 



14 



14 



15 



16 



19 



o * // 

 61 11 OS 



O / // 



113 51 35 



O / H 



25 40 47 

 H.&F. 



60 50 18 113 21 41 31 



62 17 19 



62 40 21 

 62 51 2 



2 06 



H. 



114 9 28 



114 13 39 



114 25 



38 



62 58 2 



63 23 5 



33 35 55 

 B.&F. 



33 8 6 



The N.W. Company 'sFort] 

 at Moose-deer Island, 

 Slave Lake. 



On an island near Isle la 

 Cache, in Slave Lake. 



Fort Providence. 



114 27 9 







63 30 56 



63 40 26 



63 56 52 



64 2 19 



64 6 47 



33 4 00 



114 2 2 



113 46 35 



32 30 40 

 B. 



36 45 30 



113 25 00 



37 19 00 



H. 



113 23 9 



64 9 14 



64 15 17 



64 27 6 



113 2 39 



64 28 24 



113 6 00 



Mean of 



Lunars and 



LChronometers 



36 50 47 



H. & F. 



35 48 21 



H. 



36 15 00 





36 24 

 B.H. 



37 21 



On an Island in Lake 

 Prosperous. 



Yellow Knife River. j 



Rocky Point below the 

 Double Fall Portage. 



Grassy Portage. 



Island Portage. 



Fishing Lake. 



At the second Portage o 

 the Nine Lakes. 



On the River Portage. 



First Carp Portage, 



Near the lower point oi 

 Upper Carp Lake. 



The north end of Upper] 

 Carp Lake. 



Near the north end o: 

 Rein- deer Lake. 



On the Portage next be 

 low Porphyry Lake. 



North end of Hunter*! 

 Portage. 



Between Hunter's Port-] 

 age, and Orkney Lake. 



Portage between Orkney] 

 and Sandy Lakes. 



North end of Grizzle Bea 

 Lake . 



On the borders of the! 

 small river flowing int 

 Winter Lake. 



(Rater's Compass in 

 August, 1820. 



Transit Instrument in 

 August, 1820. 



Kater's Compass in 

 May and June, 1821. 



Transit Instrument in 

 I June, 1821. 



