Levelling
of Great Britain
[1GL, 2GL Transcription]
[FBM List]
|
Ordnance Survey's Levelling of Great Britain |
[1GL, 2GL Abstract] [1GL, 2GL Transcription] |
[Timeline] [FBM List] |
|
| Trigs, _29xx FBs |
| |||
| Trigs, S1000 FBs |
| |||
| Trigs, S2000 FBs |
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| (2nd World War) |
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| Trigs, S3000 FBs |
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| Trigs, S4000 FBs |
| |||
| Trigs, S5000 FBs |
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| Trigs, S6000 FBs |
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| Trigs, S7000 FBs |
| |||
| Trigs, S8000 FBs |
| |||
| Trigs, S9000 FBs |
| |||
| Trigs, 10xxx FBs |
| |||
| Trigs, 11000+ FBs |
|
Sources used on this page
[groups.msn.com]