"... In respect to fuel it must be remarked that in all the siderurgical establishments which we have discovered, certain features indicate that wood carbonised in a stack was exclusively used as fuel. The furnaces are too small for the employment of rough wood; added to this, charcoal stores are placed near the furnaces; and charcoal burnt in a stack is constantly met with all round the sites, in the scoriæ, and all the _débris_. We must, besides, mention the discovery, at Bellelay, of a charcoal store 8 feet in diameter, situated under a compact bed of peat 20 feet in thickness. It was established on the solid earth, anterior to the formation of the peat. Now from this very peat a parcel of coins belonging to the fifteenth century was recovered, over which only 2 feet of peat had grown in a period of 400 years. There, too, at a depth of 9 feet, were found the scattered bones of a horse, with the foot still shod with those undulating edged shoes with elongated and strongly punched holes, in which were fitted the ends of nails of the shape of a T, the heads of which were conical. This kind of shoe is found in the Celtic settlements, the villages, habitations, and ironworks, also in the pasturages and forests of the country, but rarely in the Roman camps; in the latter they are always in less number than the wider metallic shoes, which are larger, and furnished with a groove indicating the line in which the nail-holes were punched. The calculations which have been made from the discovery of the coins of the fifteenth century (A.D. 1478) would give an antiquity of at least twenty to twenty-four centuries to the horse-shoe we have just mentioned, for the animal must have died and been devoured on the then existing surface of the ground, and could not have been buried in the peat, as the bones, instead of lying grouped together, were dispersed in every direction. These same calculations would carry back the date of the charcoal-store to an era 4000 years ago.