Answer: lode

AnswerCrossword Clue
LODEComstock ..: Nevada silver deposit
LODEMineral deposit
LODERich vein
LODEMine find
LODEOre store
LODEBonanza
LODEValuable vein
LODEValuable deposit
LODEMiner's bonanza
LODERich supply
LODEBank deposit
LODEMiner's find
LODERock band?
LODEOre deposit
LODESeam
LODEMother follower?
LODEOre source
LODEBig deposit
LODEProspector's strike
LODELucky strike
lodemineral deposit
LODEUnderground find
LODEMetallic deposit
LODESupply of 35D
LODEMetalliferous ore
LODEProspector's quest
LODEVein
LODEMetalliferous vein
LODESource of riches
LODEMiner's paydirt
LODESourdough's strike
LODEProspector's prize
LODEBed of riches
LODEMiner miracle?
LODESource of wealth
LODEComstock's famous find
LODERich deposit
LODERich source
LODEMiner's quarry
LODEVein with ore