13 
Table I la — Continued 
LATITUDE 75“ 
X 
log sin a 
log (2 sin®!') 
log (r cot u) 
u' 
X 
y 
o 
5 
3-7728364 
5-2446443 
5-2454674 
Miles 
89-576 
Miles 
3-091 
Miles 
92-667 
+ 
Miles 
1,043-044 
10 
2-0768861 
5-8527576 
4-9957582 
178-515 
6-288 
184-803 
+ 
1,053-524 
15 
2-2578742 
4-2147542 
4-7718938 
266-182 
9-697 
275-880 
+ 
1,070-947 
20 
2-3893839 
4-4778032 
4-6501060 
351-148 
13-425 
364-573 
+ 
1,095-191 
25 
2-4942762 
4-6876282 
4-5573038 
435-187 
17-577 
452-764 
-1- 
1,126-108 
30 
2-5825405 
4-8642118 
4-4832282 
515-285 
22-256 
537-541 
+ 
1,163-506 
35 
2-6593297 
3-0178556 
4-4224351 
691-640 
27-560 
619-200 
+ 
1,207-160 
40 
2-7275511 
3-1544052 
4-3717032 
663-666 
33-582 
697-248 
+ 
1,256-765 
45 
2-7890041 
3-2773896 
4-3289829 
730-798 
40-399 
771-197 
+ 
1,312-130 
50 
2-8447161 
3-3889353 
4-2929031 
792-500 
48-067 
840-567 
+ 
1,372-837 
55 
2-8954061 
3-4904548 
4-2625144 
848-264 
56-620 
904-884 
+ 
1,438-535 
60 
2-9415113 
3-5828244 
4-2371417 
897-623 
66-064 
963-687 
+ 
1,508-874 
65 
2-9832710 
3-6665207 
4-2163004 
940-154 
76-352 
1,016-506 
+ 
1,583-330 
70 
1-0208767 
3-7419236 
4-1996289 
975-510 
87-408 
1,062-918 
+ 
1,661-520 
LATITUDE 80“ 
0 
Miles 
Miles 
Miles 
Miles 
5 
3-7236801 
5-1459351 
5-4189626 
60-113 
3-672 
63-785 
+ 
1,388-810 
10 
2-0254612 
5-7499045 
5-1194425 
119-777 
7-402 
127-179 
+ 
1,396-059 
15 
2-2027523 
4-1045024 
4-9458728 
178-561 
11-230 
189-791 
+ 
1,408-073 
20 
2-3292640 
4-3575473 
4-8244881 
236-023 
15-206 
251-229 
+ 
1,424-781 
25 
2-4280124 
4-5550805 
4-7321860 
291-733 
19-376 
311-109 
+ 
1,446-100 
30 
2-5091841 
4-7174516 
4-6586931 
345-274 
23-776 
369-050 
+ 
1,471-896 
35 
2-5781154 
4-8553566 
4-5985500 
396-240 
28-439 
424-679 
+ 
1,501-985 
40 
2-6379269 
4-9750288 
4-5485166 
444-242 
33-485 
477-727 
+ 
1,636-185 
45 
2-6905597 
3-0803505 
4-5065225 
488-910 
38-625 
527-535 
+ 
1,574-280 
50 
2-7372738 
3-17384X8 
4-4711755 
529-894 
44-159 
574-053 
+ 
1,616-029 
55 
2-7789123 
3-2571873 
4-4415031 
568-868 
49-968 
616-836 
+ 
1,661-175 
60 
2-8160403 
3-3315168 
4-4168086 
599-553 
56-018 
655-571 
+ 
1,709-420 
Table III. Co-ordinates for a Transverse Polyconic Projection of 
Map of Canada 
(Scale, 1 inch to 50 statute miles) 
Longitude 
from central 
meridian 
Latitude 40“ 
Latitude 45“ 
Latitude 50“ 
X 
y 
X 
y 
X 
V 
O 
Inches 
Inches 
Inches 
Inches 
Inches 
Inches 
0 
0-000 
-27-646 
0-000 
-20-743 
0-000 
-13-835 
5 
5-610 
-27-433 
5-051 
-20-552 
4-509 
-13-664 
10 
11-175 
-26-798 
10-065 
-19-981 
8-988 
-13-155 
15 
16-655 
-25-749 
15-009 
-19-037 
13-410 
-12-311 
20... 
22-009 
-24-299 
19-849 
-17-729 
17-743 
-11-140 
25 
27-203 
-22-466 
24-556 
-16-071 
21-973 
- 9-654 
30 
32-228 
-20-270 
29-106 
-14-081 
26-069 
- 7-866 
35 
37-003 
-17-734 
33-478 
-11-757 
30-015 
- 5-790 
40 
41-569 
-14-883 
37-656 
- 9-176 
33-798 
- 3-442 
45.. 
41-631 
— 6-302 
37-403 
- 0-840 
SO 
40-825 
+ 1-998 
