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vein and of a bed in the solid rock. But [the] lead is not the only ore these fissures contain; mixed with it in every proportion, and even sometimes getting the better of the galena and shutting it out completely, occur both the carbonate and sulphuret of zinc; the ore known to the miners by the name of "dry bone" the other "black Jack". From the abundance of the carbonate of zinc, and its being an ore that when clean yields about sixty percent of the oxide, it seems probable that it will sometime become an object of importance; now it is considered a great obstruction whenever met with, and [illegible] galena when mixed with much of the zinc ore, bring an inferior price.

"The direction of the fissures downwards is as variable as their size and shape. They run like cracks through a rock- sometimes vertically, sometimes inclined, and sometimes horizontally between the strata. But in all cases on reaching the sandstone, they are as far as is