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Colophon
Geology, Stratigraphic--Cenozoic
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Geology, Stratigraphic--Tertiary
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Geology, Stratigraphic--Paleogene
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Geology, Stratigraphic--Eocene
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John Day Formation (Or.)
John Day Formation (Or.)
Geographic
sh96001924
·
id.loc.gov
Broader Terms (2)
Formations (Geology)--Oregon
Geology, Stratigraphic--Eocene
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