Answer: mining

AnswerCrossword Clue
MININGDe Beers business
MININGStoping.
MININGMontana activity.
MININGPotential space colony activity
MININGExcavation
MININGField in which people pick their work?
MININGExtracting ores
MININGPit activity
MININGTaking a dig at?
miningThe process or industry of obtaining coal or other minerals from a mine
miningthe business of working mines