from the GNU version of the Collaborative International Dictionary of English
- The formation belonging to the middle of the three subdivisions of the Corniferous period in the American Devonian system; -- so called from Schoharie, in New York, where it occurs. See the Chart of geology.
from The Century Dictionary and Cyclopedia
- In geology, in the nomenclature of the New York Geological Survey, an unimportant division of the Devonian series, lying between the cauda galli grit and the Upper Helderberg group.
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