Page:Theophrastus - History of Stones - Hill (1774).djvu/263

 Work, but are forced to lie along, either on their Backs or on one Side; for the Vein of the Earth they dig runs length-way, and is only of the Depth of about two Foot, though much more in Breadth, and is incloed in on every Side with Stones, from between which it is taken. There is alo in the Mas of the Vein a ditinct Stratum near the Middle, which is of better Earth than that without it; and within that there is ometimes another yet finer; and even beyond that a fourth: The farthet of thee is that which is called the Ater.