Plate 18: Salt-Works at Bex, Conton of Berne, The long narrow buildings, which have the form of galleries, erected on the hills that skirt the river on which the bidrige is constructed, are those of gradtion; whereas the houses in the bottom are used for the ebullition of the brine, refinement of the salt, magazines, etc. as mentioned in the article of Bex. The mountains at the back of the former buildings are mostly of Gypsum, and contain the saline springs