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| Archive Reference / Library Class No. | NCB/A/BUT/10/2/10 |
| Former Reference | N31/UL |
| Title | Report on Denby Hall Colliery's Silkstone Seam |
| Date | May 1942 |
| Description | Report by FF Ridley of Newcastle-upon-Tyne on the quality and distribution of the coal found in the seam. According to an attached letter briefing on the report findings, the coal produced is not of valuable quality as there is no mechanical cleaning process on site. The report also aims to offer advise on how best to treat the coal as well as analyse its characterisitics, with one diagram. |
| Extent | 1 file |
| Level | Item |
| Repository | Derbyshire Record Office |
| Archive Creator | Butterley Company |
| National Coal Board |
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