| coalfield(noun, excavation, coalmine) |
| coalmine(noun, excavation, coalfield) |
| colliery(noun, excavation, coalfield, coalmine) |
| deposit(noun, supply, reserve, excavation) |
| ditch(noun, supply, reserve, deposit) |
| excavation(noun, supply, reserve, deposit) |
| field(noun, supply, reserve, deposit) |
| hoard(noun, supply, reserve, stock, deposit) |
| pithead(noun, excavation, coalfield, coalmine) |
| reserve(noun, supply, stock, hoard, deposit) |
| shaft(noun, supply, reserve, bore, deposit) |
| supply(noun, reserve, stock, source, hoard) |
| treasure trove(noun, expression, supply, reserve, deposit) |
| treasury(noun, supply, reserve, deposit) |
| trench(noun, supply, reserve, deposit) |
| wealth(noun, supply, reserve, stock, hoard) |