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View of east Quarry wall

View of the eastern quarry wall of River Products Company Klein Quarry in Coralville, Iowa. This wall exposes strata of the Middle Devonian (Lower) Cedar Valley Group, in ascending order: the Little Cedar and Coralville Formations. The Little Cedar yields a plethora of cephalopods and trilobites, among other things. The Coralville, as its name implies, is known for, well, corals.

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