Pompeii was covered in it 4 letters

Crossword clues for Pompeii was covered in it 4 letters

Answer	Clue
LAVA	Pompeii covering
LAVA	Pompeii covering: A.D. 79
LAVA	Pompeii's covering.
LAVA	Pompeii was covered in it
ASH	Pompeii cover
ASH	It covered Pompeii
ASH	Pompeii covering
ASH	Pompeii coverer
ASHES	Pompeii's covering
ASH	Pompeii's covering
ASH	Volcanic material that covered (and preserved) Pompeii