Clue | Source | Date |
---|---|---|
Mole, for instance | Newsday | 23 Nov 2018 |
Underground excavator | The Times Concise | 08 Sep 2016 |
Sandhog, for one | Eugene Sheffer | 06 Jul 2016 |
Mole, at times | ||
Mole, for one | ||
Mole, for one | ||
Mole, at times | ||
Sandhog | ||
Miner's machine. |