Category:Oligocene deposits in the United States by state

States of the United States: California · Oregon · Washington

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Cenozoic
Paleogene			Neogene		Quaternary
Paleocene	Eocene	Oligocene	Miocene	Pliocene	Pleistocene	Holocene

Subcategories

This category has the following 3 subcategories, out of 3 total.

C

Oligocene deposits in California (4 C)

O

Oligocene deposits in Oregon (1 C)

W

Oligocene deposits in Washington (state) (1 C)

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