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Category:Triassic sedimentary rocks in the United States by state

From Wikimedia Commons, the free media repository
Precambrian Phanerozoic sedimentary rocks in the United States by state
Preceded by Proterozoic Eon
Paleozoic Era Mesozoic Era Cenozoic Era
Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Paleogene Neogene 4ry