Show anter la baron has shown practically that water can be found by boring autu granite and other crystalline rocks to a depth of from one hundred to one hundred and seventy feet his theory was that the variations in temperature pera ture ought to cause shearing strains between the upper and lower layers of the rock which would make horizontal crevices into which water from the surface would percolate and that the water would be fresh A well was sunk in the islet of arko off the swedish coast in 1894 and at one hundred and ten feet fresh water was found supplying four thousand four hundred gallons a day since then six other wells have been bored and water found at about the same depth the object of the search was to provide lighthouses and pilot stations with a permanent and plentiful supply of water |