Stratigraphy of the Lower Pierre Shale (Campanian): Implications for the Tectonic and Eustatic Controls on Facies Distributions

<table>Generalized stratigraphy of the upper Late Cretaceous western interior of North America including European stage names corresponding with absolute age dates and North American ammonite range zones.</table>

Journal of Geological Research

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Figure 2

Figure 2: Stratigraphy of the Lower Pierre Shale (Campanian): Implications for the Tectonic and Eustatic Controls on Facies Distributions 