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Clues
Hardly hard rock?
Hardly hard rock?
Clue:
Hardly hard rock?
We have
1
possible answer for the clue
Hardly hard rock?
which appears
1
time in our database.
Possible Answers:
SHALE
Last seen in:
USA Today - May 4 2015
Related Clues:
Fossil holder
Kerosene source
Fissile rock
Fracking rock
Rock used for flagstones
Thin-layered rock
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Clayey rock
Soft sedimentary rock
Type of soft rock
Soft rock; heals (anag.)
Oil-rich rock
Mineral layer involved in fracking
Something settled long ago?
Easily-split sedimentary rock
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