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Colophon
Geology, Stratigraphic--Mesozoic
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Geology, Stratigraphic--Cretaceous
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Fort Union Formation
Fort Union Formation
Geographic
sh87003504
·
id.loc.gov
Broader Terms (3)
Formations (Geology)--West (U.S.)
Geology, Stratigraphic--Cretaceous
Geology, Stratigraphic--Paleocene
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