Photogrammetric mapping in Finland 
during 1960 — 1963 
1960 
1961 
1962 
1963 
1960-63 
Aerial photography 
sq.kms 
sq.kms 
sq.kms 
sq.kms 
sq.kms 
1 : 3 000 — 1 : 15 000 
7 300 
7 500 
8 000 
6 000 
28 800 
1 : 16 000 — 1 : 25 000 
18 400 
40 800 
15 000 
43 000 
117 200 
1 : 30 000 — 1 : 46 000 
22 000 
25 400 
6 000 
20 700 
74 100 
1 : 60 000 
— 
10 000 
18 300 
150 000 
178 300 
Total 
47 700 
83 700 
47 300 
219 700 
398 400 
Aerial triangulation 
Photogr. scale 
Standard error 
of coordinate 
1 : 15 000 
- 0,6 m 
1 200 
400 
2 300 
2 200 
6 100 
1 : 25 000 — 1 : 40 000 ± 1 — 2,0 m 
24 100 
26 100 
23 500 
28 800 
102 500 
1 : 60 000 
± 3 m 
— 
— 
5 100 
9 000 
14 100 
Total of areas at 
different scales 
25 300 
26 500 
30 900 
40 000 
122 700 
Aerophotographic maps 
o 
o 
o 
oo 
T—l 
All 
130 
410 
— 
113 
653 
1 : 10 000 
12 140 
12 000 
13 120 
18 860 
56 120 
1 : 20 000 
14 740 
21 550 
13 000 
11 438 
60 728 
Total of areas at different scales 
27 010 
33 960 
26 120 
30 411 
117 501 
Stereoplotted maps 
^ 1:2 000 ground figures and contour lines 
654 
839 
875 
819 
3 187 
1 : 4 000 — » — 
685 
305 
750 
950 
2 690 
1 : 10 000 only contour lines 
2 600 
1 575 
4 600 
11 450 
20 225 
1 : 10 000 ground figures and contour lines 
3 430 
2 090 
1 655 
364 
7 539 
1 : 20 000 only contour lines 
3 600 
3 700 
9 800 
9 000 
26 100 
Total of areas at different scales 
10 969 
8 509 
17 680 
22 583 
59 741