Last seen in:
- The Times - Concise - Sunday Times Concise No 1791
- New York Times - Jul 14 2018
- New York Times - Jun 6 2018
- The Guardian - Quick crossword No 14,470 - Sep 22 2016
- The Times - Concise - Times2 Concise 7079 - July 15, 2016
- The Times - Concise - Times Concise No 7079
- The Telegraph - QUICK CROSSWORD NO: 398 - Jan 10 2016
- The Times - Concise - Times2 Concise 6512 - September 22, 2014
- The Telegraph - QUICK CROSSWORD NO: 26,855 - May 2 2012
- L.A. Times Daily - Feb 12 2011
Related Clues:
- Underground worker
- Spelunker
- Explorer of sorts
- Underground explorer
- Stalactite spotter
- Sportsman doesn't quite make the North Pole, losing direction
- Look back in cloud of dust for underground explorer
- Explorer who drops in for tea?
- Person underground, given warning, runs
- Subterranean hobbyist
- Fuss about daughter abandoning former explorer
- Caver runs after the pool's disturbed
- Explorer set watch on top of rock
- Explorer of underground caves
- Caver