Crossword clues for Mine pit. 4 letters:SUMPMining pit.SUMPMine pit.SUMPPit in a mine.TYEMining pitSUMPSMine pits.SUMPSMining pits.STOPEMine pit.SUMPSMine drainage pits.HIBBINGMinn. site of large open-pit iron mineSUMPSPits in mine shafts.