National Geologic Map Database
General Information
- Title: Early Middle Ordovician of the United States
- Author(s): Cooper, G.A.
- Publishing Organization: University of Wales Press, Cardiff, UK
- Series and Number: Paleontological Association Symposium, Birmingham, England, UK, 1974 [p. 171-194]
- Larger Work: Bassett, M.G., ed., The Ordovician System; proceedings of the Paleontological Association symposium
- Publication Date: 1976
- Cross Section: None
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