DescriptionLofty and J Walsh at work with a water drill. The drill is has a small diameter hole throughout its length. This allows water to be injected thru the drill to the cutting edge. This cools the bit and suppresses the dust. One assumes the tall person is Lofty.RightsPublic DomainCollectionReginald O'BrienSubjectMiningMining SitesMining EquipmentMining Personnel