Subcategories
This category has the following 9 subcategories, out of 9 total.
0–9
- Tunnels completed in 1940 (13 P)
- Tunnels completed in 1941 (3 P)
- Tunnels completed in 1942 (2 P)
- Tunnels completed in 1943 (5 P)
- Tunnels completed in 1945 (4 P)
- Tunnels completed in 1946 (1 P)
- Tunnels completed in 1947 (1 P)
- Tunnels completed in 1948 (2 P)
- Tunnels completed in 1949 (2 P)