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| Archive Reference / Library Class No. | NCB/C/PHO/4/5/3 |
| Former Reference | D4774/14/5/3 |
| Title | Slide of 1st edition Ordnance Survey map 300NW, pre-1878, showing Harthill |
| Date | [late 20th cent] |
| Description | Scale of original 6 inch to 1 mile |
| Extent | 1 slide |
| Level | Item |
| Repository | Derbyshire Record Office |
| Archive Creator | National Coal Board |
| Access Conditions | This item cannot be ordered during a visit as it is stored at a low temperature for preservation reasons and must be acclimatised before it can be produced in the search room. Please contact us in advance of your visit if you wish to consult this item. |