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Geology, Stratigraphic--Paleozoic
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Geology, Stratigraphic--Carboniferous
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Geology, Stratigraphic--Mississippian
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Blue River Group (Ind.)
Blue River Group (Ind.)
Geographic
sh91002012
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id.loc.gov
Broader Terms (2)
Geology, Stratigraphic--Mississippian
Groups (Stratigraphy)--Indiana
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