Show an endlish salt mine the exploration for salt at the he imperial iron works south bank near middles brough for mr coulthard Coult bard of lond london on has just been completed one bed of salt eighty two feet thick was penetrated and a parting of anhydrous gypsum bored through into another bed of salt fourteen feet thick As the hie bottom of the salt measures has not been reached there is the possibility of other oilier beds of salt existing the total depth of the brine well is 1692 feet scientific american |