Category:Tunnels completed in the 1970s
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Subcategories
This category has the following 10 subcategories, out of 10 total.
0–9
- Tunnels completed in 1970 (6 P)
- Tunnels completed in 1971 (4 P)
- Tunnels completed in 1972 (7 P)
- Tunnels completed in 1973 (5 P)
- Tunnels completed in 1974 (3 P)
- Tunnels completed in 1975 (6 P)
- Tunnels completed in 1976 (2 P)
- Tunnels completed in 1977 (3 P)
- Tunnels completed in 1978 (4 P)
- Tunnels completed in 1979 (3 P)