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CA315 | initial entry of line base data derived from ordnance survey maps ca 1909 i/c/w production of base line diagrams | 24/08/2024 20:35 | |

CA310 | initial entry of line base data derived from ordnance survey maps ca 1909 i/c/w production of base line diagrams | 19/08/2024 16:16 | |

CA314 | initial entry of line base data derived from ordnance survey maps ca 1908 i/c/w production of base line diagrams | 08/08/2024 16:59 | |

CA561 | update of line base data derived from ordnance survey maps ca.1922 i/c/w production of base line diagrams | 07/08/2024 20:30 | |

CA283 | update of line base data derived from ordnance survey maps ca.1910. Grid Refs added i/c/w production of base line diagrams | 04/08/2024 22:35 | |

CA285 | initial entry of line base data derived from ordnance survey maps ca.1910 i/c/w production of base line diagrams | 04/08/2024 22:34 | |

CA491 | update of line base data derived from ordnance survey maps ca.1910 i/c/w production of base line diagrams | 04/08/2024 22:34 | |

NW813 | initial entry of line base data derived from 1:2500 OS maps ca 1955 i/c/w production of base line diagrams | 04/08/2024 22:34 | |

NW813 | update of line base data derived from ordnance survey maps ca.1904 i/c/w production of base line diagrams | 04/08/2024 22:33 | |

NW811 | update of line base data derived from ordnance survey maps ca.1906 & 1916 i/c/w production of base line diagrams | 04/08/2024 22:33 | |

NW823 | update of line base data derived from ordnance survey maps ca.1914 i/c/w production of base line diagrams | 04/08/2024 22:33 | |

NW820 | update of line base data derived from ordnance survey maps ca.1914 i/c/w production of base line diagrams | 04/08/2024 22:32 | |

NW822 | initial entry of line base data derived from ordnance survey maps ca.1910 i/c/w production of base line diagrams | 04/08/2024 22:32 | |

CA585 | update of line base data derived from ordnance survey maps ca.1922 i/c/w production of base line diagrams | 04/08/2024 22:31 | |

CA563 | initial entry of line base data derived from OS maps ca 1922 i/c/w production of base line diagrams | 04/08/2024 22:31 | |

CA584 | update of line base data derived from ordnance survey maps ca.1901 i/c/w production of base line diagrams | 04/08/2024 22:30 | |

CA001 | update of line base data derived from ordnance survey maps ca.1898 & 1924. Grid Refs and bridge numbers added | 20/01/2024 14:01 | |

CA030 | update of line base data derived from ordnance survey maps ca.1898 & 1909. Grid Refs and bridge numbers added | 20/01/2024 14:01 | |

NW592 | nitial entry of line base data derived from ordnance survey maps ca.1908 | 03/12/2023 17:43 | |

NW111 | update of line base data derived from ordnance survey maps ca.1923. Grid Refs updated | 15/10/2023 20:19 | |

NW110 | addition of grid references in Rugby area | 21/09/2023 11:47 | |

NW315 | update of line base data derived from ordnance survey maps ca.1902. 1912, & 1937. Grid Refs added | 02/09/2023 21:08 | |

NW310 | update of line base data derived from ordnance survey maps ca.1914. Grid Refs and some bridge numbers added | 30/08/2023 20:54 | |

NW316 | update of line base data derived from ordnance survey maps ca.1925. Grid Refs updated | 29/08/2023 17:17 | |

NW127 | update of line base data derived from ordnance survey maps ca.1925. Grid Refs and some bridge numbers added | 29/08/2023 16:26 |