Answer: PAYDIRT

AnswerCrossword Clue
PAYDIRTProfitable discovery
PAYDIRTMiner success?
PAYDIRTSource of profitable success
PAYDIRTMiner's goal
PAYDIRTNice thing to hit
PAYDIRTGood thing to hit
PAYDIRTSomething to hit
PAYDIRTForty-niner's quest
PAYDIRTRemunerative discovery.
PAYDIRTA rich find: Colloq.
PAYDIRTProspector's quest.
PAYDIRTSource of wealth
PAYDIRTSuccess
PAYDIRTProspetor's reward
PAYDIRTProspector's quest
PAYDIRTProfitable discovery that's "hit"
PAYDIRTForty-niner's strike
PAYDIRTThe end zone, to a running back
PAYDIRTMother lode
PAYDIRTA prospector may hit it
PAYDIRTLucky strike
PAYDIRTThe mother lode