Photograph showing entrance to the seven sisters known as this because of the seven pillars left to support the roof. Over the years these supports have started to compress due to the weight above, making these workings unsafe.
| Reference: | 278 |
| Keywords: | MCOL BCLM Limestone Seven Sisters Wrens Nest Roof Supports Caverns Workings 19c 1800s 1700s 1900s |
| Archive Ref: | 1997/028/15 BCS Coll Box No1 (Dudley) EB 1A Ph 4.3112 |
| Updated: | 14/8/2000 11:08:47 |