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| Archive Reference / Library Class No. | NCB/E/IRE/1/13 |
| Former Reference | N40/1/13 |
| Title | Ireland Colliery progress plan of workings in the Deep Soft Seam for the Staveley and Netherthorpe Pillars |
| Date | [c1948] |
| Description | Showing workings 1 June 1945 to 25 Jan 1948, with days marked on rather than months. Scale 2 chains to 1 inch |
| Extent | 1 outsize item |
| Level | Item |
| Repository | Derbyshire Record Office |
| Archive Creator | Ireland Colliery |
| National Coal Board |
| Format | Map/Plan |
| Dimensions | 95cm x 76cm |