The Ordovician in Delaware, US |
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Paleontology and geologyAlthough not shown on this map, some rocks of Ordovician age have been identified in the far northern end of the state. Most of these rocks are thought to have been |
The Ordovician in Delaware, US |
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Paleontology and geologyAlthough not shown on this map, some rocks of Ordovician age have been identified in the far northern end of the state. Most of these rocks are thought to have been |