U.S. Geological Survey

U.S. Geological Survey Geologic Investigations Series I-2741

Subsurface Correlations and Sequence Stratigraphic Interpretations of Lower Silurian Strata in the Appalachian Basin of Northeast Ohio, Southwest New York, and Northwest Pennsylvania

By R.D. Hettinger

Version 1.0



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Correlation Chart PDF file (0.9 MB)

Pamphlet PDF file (1.4 MB)

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