| 1. | Typical methods for extraction included drift mining and bell pits.
|
| 2. | Bell pits often flooded due to a lack of a drainage system.
|
| 3. | Bell pits were common in the 17th and 18th century.
|
| 4. | It was a site of early mining, using a system known as Bell Pits.
|
| 5. | The remains of bell pits can sometimes be identified by depressions left when they collapsed.
|
| 6. | Bell pits were not very effective for mining as they did only partially exploit the resources.
|
| 7. | The 10th Earl had sunk bell pits in Kyleshill Street in Saltcoats in 1759-60.
|
| 8. | In the 17th century Bell pit mining took place in the south east corner of Hollinhurst Wood.
|
| 9. | Only small amounts of coal could be obtained by these methods and bell pits were also dug.
|
| 10. | The early pits were adits where coal outcropped or bell pits where coal was close to the surface.
|
मोबाइल