| Answer | Crossword Clue |
|---|---|
| ADIT | Entrance into a mine |
| mineshaft | a vertical entrance into a mine |
| mineshafts | MINESHAFT, a vertical entrance into a mine |
| pithead | a mine entrance |
| ADIT | Entrance to a mine. |
| pitheads | PITHEAD, a mine entrance |
| ADIT | Horizontal entrance to a mine |
| ADIT | Nearly horizontal entrance to a mine |
