CENTRO DE INFORMACIÓN GEO-BIOLÓGICO DEL NOA

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Multinodose Seaphitid Cephalopods from the Lower Part of the Pierre Shale and equivalent Rocks in the Conterminous United States. by
Material type: Text Text; Audience: Specialized;
Publication details: Washington : United States Government Printing Office, 1964
In: Geological Survey Professional Paper 483-E
Availability: No items available.
Stratigraphy of the Niobrara Formation at Pueblo, Colorado. by
Material type: Text Text; Audience: Specialized;
Publication details: Washington : United States Government Printing Office, 1964
In: Geological Survey Professional Paper 454- L
Availability: No items available.
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