B-19 The Cretaceous Formations of the Northeastern Colorado Plains and the Foothills Formations of North-Central Colorado

The Cretaceous formations of northeastern Colorado and the Foothills formations of north-central Colorado. 98 pages. 1 plate. 11 figures. Junius Henderson. Digital PDF download. B-19D

Author: Junius Henderson
Status: Digital
Year: 1920

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