| GC490 | | initial entry of line data derived from RAIL 226/60 | 10/02/2012 21:10 | | GC482 | | initial entry of line data derived from RAIL 463/90 | 20/01/2012 13:57 |
| GC480 | | initial entry of line data derived from RAIL 463/98 | 17/01/2012 22:44 |
| NB036 | | initial entry of line data derived from RAIL 392/218 | 17/01/2012 22:34 |
| GC491 | | initial entry of line data from RAIL 226/60 | 30/12/2011 16:59 |
| GC540 | | initial entry of line data from A/GCR/2/17 | 16/12/2011 19:42 |
| GN031 | | Additional location data entered from RAIL 236/480 | 19/11/2011 22:17 |
| GN341 | | initial entry of line data from RAIL 236/991 | 14/11/2011 21:52 |
| GN340 | | initial entry of line data from RAIL 236/478 | 14/11/2011 21:40 |
| GC430 | | initial entry of line data from RAIL 463/158 | 03/11/2011 00:18 |
| GC431 | | initial entry of line data from RAIL 463/158 | 02/11/2011 14:41 |
| OG001 | | initial entry of line data from RAIL 463/157 | 01/11/2011 23:06 |
| OG003 | | initial entry of line data from RAIL 463/157 | 01/11/2011 23:05 |
| OG005 | | Initial entry of line data from RAIL 463/157 | 01/11/2011 23:05 |
| CA342 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 14/11/2010 11:12 |
| CA344 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 14/11/2010 10:29 |
| CA343 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 13/11/2010 13:25 |
| CA346 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 11/11/2010 23:08 |
| CA341 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 11/11/2010 21:10 |
| CA340 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 09/11/2010 13:55 |
| CA082 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 06/11/2010 23:29 |
| CA080 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 06/11/2010 22:01 |
| CA161 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 02/11/2010 00:11 |
| CA171 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1912 | 01/11/2010 22:11 |
| CA060 | | entry of line base data derived from 25 inch Ordnance Survey maps ca 1907 - 1912 | 29/10/2010 21:00 |