Answer: buriedtreasure

AnswerCrossword Clue
BURIEDTREASUREWhat "X" may mark
BURIEDTREASUREFocus of a Stevenson novel
BURIEDTREASUREJim Hawkins's quest
BURIEDTREASUREEritrea's urethane riches
BURIEDTREASUREWindfall that's out of sight?
BURIEDTREASUREAny hint re a sure bet holds this?