278 
MAGNETIC SURVEY IN NORTH AMERICA 
Table XV. 
Observations on the Magnetic Force with Fox’s Needle F. A., between Norway House 
and Athabasca, from J uly 1 843 to October 1 843 ; observer, Bombardier Henry, R. A. 
Station. 
Angles of deflection with weights of 
1843. 
2-0 
grs. 
2-5 grs. 
3'0 grs. 
3-5 
grs. 
4-0 
grs. 
meter. 
July 13. 
O 
/ 
26 
41-0 
O 
32 
14-4 
39 
08-3 
o 
45 
36-9 
O 
70 
Aug. 7- 
20 
45-3 
26 
41-9 
32 
45-9 
39 
08-9 
45 
57-1 
78 
8. 
20 
59-8 
26 
39-3 
33 
17-6 
39 
20-0 
45 
56-7 
82 
9. 20 
35-7 
26 
53-2 
32 
56-8 
39 
24-1 
46 
31-1 
85 
Mean 
20 
45-6 
26 
44-3 
32 
!>. 
OO 
39 
15-3 
46 
00-5 
79 
July 20. 
26 
52-4 
32 
19-4 
38 
48-1 
45 
40-4 
641 
Aug. 2. 
26 
50-0 
32 
22-9 
39 
41-9 
45 
45-3 
71/ 
July 21. 
26 
47-0 
32 
00-5 
39 
34-2 
46 
58-7 
81 1 
31. 
, . 
• • • • 
27 
li-7 
32 
23-1 
38 
46-2 
46 
29-2 
59 / 
22. 
26 
43-9 
33 
35-2 
39 
56-8 
47 
09-6 
631 
28. 
26 
32-5 
32 
57-5 
38 
19-9 
45 
57-7 
70/ 
24. 
26 
57-3 
32 
30-3 
39 
05-0 
46 
59-1 
70 / 
25. 
27 
13-0 
33 
16-5 
39 
44-1 
45 
55-0 
56 J 
Aug. 1. 
26 
42-0 
32 
31-6 
39 
06-1 
45 
57-0 
66 
3. 
26 
56*6 
32 
01-3 
38 
35-4 
45 
11-3 
66 
4. 
26 
20-4 
32 
30-8 
39 
17-8 
46 
07-5 
76 
5. 
26 
41-4 
32 
32-2 
39 
19-3 
45 
45-3 
82 
6. 
21 
00-6 
27 
01-9 
32 
54-1 
39 
18-9 
46 
09-9 
73 
14. 
26 
49-7 
32 
51-2 
38 
46-0 
46 
05-9 
70 
15. 
26 
54-9 
32 
29-6 
38 
47-9 
46 
07-6 
67 
16. 
26 
38-4 
32 
33-8 
38 
51-6 
46 
20-7 
68 
18. 
26 
51-0 
32 
22-6 
39 
29-0 
46 
15-0 
74 
23. 
26 
56-9 
32 
35-4 
39 
24*4 
46 
12-7 
621 
24. 
26 
45-4 
32 
33-6 
39 
22-4 
46 
12-8 
55/ 
26. 
26 
42-3 
32 
50-4 
38 
37-7 
46 
41-1 
64 
27. 
26 
33-3 
32 
35-0 
39 
02-4 
46 
18-8 
56 
29. 
26 
28-6 
33 
17-1 
39 
23-4 
46 
49-4 
58 
31. 
24 
48-0 
30 
28-7 
35 
54-1 
43 
01-4 
64 
Sept. 1 . 
. , 

26 
43-2 
32 
3 9-6 
39 
11-9 
46 
57-0 
721 
1. 
26 
00-3 
32 
42-1 
38 
40-0 
46 
32-6 
67/ 
3. 
26 
00-3 
32 
42-1 
38 
40-0 
46 
32-6 
67 
4. 
26 
22-0 
32 
43 3 
38 
40-4 
46 
40-0 
54 
7. 
26 
39-4 
33 
01-2 
39 
12-1 
46 
50-1 
52 
9. 
26 
38-2 
33 
12-2 
38 
56-8 
47 
20-7 
641 
9. 
26 
42-5 
33 
18-2 
38 
57-0 47 
18-6 
70/ 
13. 
26 
58-5 
33 
16-0 
39 
05-0 
54 
14. 
27 
21-7 
34 
04-8 
40 
09-0 
47 20-9 
70 
16. 
26 
54-4 
33 
11-8 
40 
02-8 
48 
14-8 
60 
19. 
26 
56*6 
33 
13-6 
39 
12-9 
46 
30-3 
44 
20. 
25 
20-3 
31 
33-6 
37 
14-1 
44 
46-6 
55 
21. 
27 
16-5 
33 
11-5 
38 
32-8 
46 
35-8 
43 
25. 
27 
06-0 
33 
43-4 
39 
53-8 
47 
39-1 
441 
25. 
, , 
27 
03-3 
33 
28-0 
39 
58-9 
47 
52-3 
44 V 
Oct. 9. 
26 
48-7 
33 
45-7 
39 
55*5j 47 
34-5 
36 J 
Intensity. 
Toronto 
= 1 - 836 . 
Remarks. 
Norway House 
1-873 
Base. 
Long Portage 
Long Portage 
White Earth Portage 
White Earth Portage 
Shamatawa 
Shamatawa 
York Factory 
York Factory 
Hill River . . 
Oxford House 
Windy Lake 
Whitefall Portage . . . 
Hairy Lake 
Lake Winnipeg 
Grand Rapid 
Cross Lake 
Cedar Lake 
Cumberland House . 
Cumberland House . 
Beaver Lake 
Portage des Epinettes 
Frog Portage 
Little Rock Portage . 
Great Devil’s Portage 
Great Devil’s Portage 
Pine Portage 
Snake Rapid 
Portage Sonnante . . . 
Isle a la Crosse 
Isle a la Crosse ..... 
Buff'aloe Lake 
River de la Loche . . . 
Portage de la Loche . 
Clearwater River . . . 
Pierre au Calumet . . . 
Pointe Brulee 
Athabasca 
Athabasca 
Athabasca 
1-880 
1-869 
1-862 
1-857 
1-875 
1-889 
1-870 
1-879 
1-861 
1-872 
1-874 
1-875 
1-871 
1-865 
1-869 
1-871 
1-857 
1-995 
1-875 
1-884 
1-874 
1-858 
1-857 
1-854 
1-826 
1-835 
1-850 
1-938 
1-852 
1-828 
