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Special thanks are extended to Donald W. Fisher, State Paleontologist (retired) of
the New York State Museum, who helped greatly in this leaflet's first publication.
Illustrations are taken from Geologic Map of New York, 1961; New York State Museum
and Science Service Map and Chart Series No. 5, Albany.


The New York State Geological Survey (NYSGS) is a bureau of
the New York State Museum in the New York State Education Department.