| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | mine shaft | United States | Associated with mining industry and often found in rural or remote areas | 1 |
| 2 | mine shaft | United States | Often associated with the history of the Wild West and gold rush. | 1 |
| 3 | mine shaft entrance | US | Often associated with mining history and can be tourist attractions in some regions. | 1 |
| 4 | mine shaft entrance | United States | Often associated with the old west and gold rushes | 1 |
| 5 | mine shaft entrance | United States | Protected and marked for safety with warning signs and barriers | 1 |