__ Mons, Highest-Known Volcano in the Solar System
Puzzle 6 of Sherlock Holmes Hard Pack
Question is: __ Mons, Highest-Known Volcano in the Solar System
and the answer is: OLYMPUS
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Puzzle 6 of Sherlock Holmes Hard Pack
Question is: __ Mons, Highest-Known Volcano in the Solar System
and the answer is: OLYMPUS