Category:Quaternary rocks in Pennsylvania

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Precambrian	Phanerozoic rocks in Pennsylvania
Preceded by Proterozoic Eon	Phanerozoic rocks in Pennsylvania
	Paleozoic Era						Mesozoic Era			Cenozoic Era
	Cambrian	Ordovician	Silurian	Devonian	Carboniferous	Permian	Triassic	Jurassic	Cretaceous	Paleogene	Neogene	4ry

Subcategories

This category has only the following subcategory.

Q

Quaternary formations in Pennsylvania (1 C)

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