| Rating | Solver | Clue |
|---|---|---|
| SEAM | Coal vein | |
| RIB | Solid coal on the side of a gallery; solid ore in a vein. | |
| URRY | A sort of blue or black clay lying near a vein of coal. | |
| ROOF | The surface or bed of rock immediately overlying a bed of coal or a flat vein. | |
| BASSET | To inclined upward so as to appear at the surface; to crop out; as, a vein of coal bassets. | |
| HORSE | ...acter as the wall rock, occurring in the course of a vein, as of coal or ore; hence, to take horse -- said of a vein -- is to divide into branch... | |