| coalfield(noun, pit, excavation, coalmine) |
| coalmine(noun, shaft, mine, pit, seam) |
| colliery(noun, shaft, mine, pit, seam) |
| deposit(noun, pit, excavation, coalfield, coalmine) |
| ditch(noun, pit, excavation, coalfield, coalmine) |
| excavation(noun, shaft, pit, seam, coalfield) |
| field(noun, pit, excavation, coalfield, coalmine) |
| fount(noun, pit, excavation, coalfield, coalmine) |
| fountain(noun, pit, excavation, coalfield, coalmine) |
| fund(noun, pit, excavation, coalfield, coalmine) |
| gold mine(noun, expression, pit, excavation, coalfield) |
| hoard(noun, pit, excavation, coalfield, coalmine) |
| lode(noun, pit, excavation, coalfield, coalmine) |
| mine(noun, shaft, pit, seam, excavation) |
| pit(noun, shaft, seam, excavation, coalfield) |
| pithead(noun, pit, excavation, coalfield, coalmine) |
| quarry(noun, shaft, pit, seam, excavation) |
| reserve(noun, pit, excavation, coalfield, coalmine) |
| seam(noun, shaft) |
| shaft(noun, mine, pit, seam, excavation) |