MINE

Colliery (but not yours!) (4)

Solution has appeared in 4 crosswords (4 across and 0 down):

• Quick crossword No 16,626 — 2023-08-18 23:00:02
  21A: Excavation from which minerals are extracted (4)
• Quick crossword No 16,104 — 2021-12-17 00:00:12
  21A: Colliery (but not yours!) (4)
• Quick crossword No 15,708 — 2020-09-09 23:00:27
  21A: Explosive device (4)
• Quick crossword No 15,304 — 2019-05-26 23:00:24
  9A: Colliery (but not yours!) (4)