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| | GEOLOGY OF CLINTON COUNTY |
 | | The lowest epoch of the Paleozoic time is the Acadian, the next, the Potsdam sandstone, and the highest is the Permian epoch. |
 | | The Acadian and Potsdam epochs nowhere come to the surface in this county, but the next strata above, viz: The limestones of the Trenton, Chazy and Calciferous epochs, which are exposed in part in Nippenose, Nittany and Sugar Valleys, are the lowest visible strata in the county. |
 | | Much is yet to be done in the development of the ores, which consist of pipe ore, kidney or lump ore, and wash ore, filling caverns or fissures in the limestone, deposited on the surface, or in persistent seams in the rock; the latter, by reason of their persistency, being the most important. |
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