a stratum of clay lying beneath a coal bed often containing the roots of coal plants

a stratum of clay lying beneath a coal bed often containing the roots of coal plants
Crossword Clue
**We have found 2 answers to crossword clue "a stratum of clay lying beneath a coal bed often containing the roots of coal plants"**
**The Best Answer: 10/10**
Answer	Crossword Clue
underclay	a stratum of clay lying beneath a coal bed, often containing the roots of coal plants
underclays	UNDERCLAY, a stratum of clay lying beneath a coal bed, often containing the roots of coal plants

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

a stratum of clay lying beneath a coal bed often containing the roots of coal plantsCrossword Clue