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000064802 001__ 64802
000064802 005__ 20210513023842.0
000064802 008__ 770819s1954\\\\nyud\\\\\b\\\\00000\eng\d
000064802 035__ $$a(OCoLC)ocm03200633
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000064802 035__ $$a64802
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000064802 24510 $$aCorrelation of the Ordovician formations of North America /$$cBy the Ordovician Subcommittee of the Committee on Stratigraphy of the National Research Council ; W. H. Twehhofel, chairman [and others]
000064802 260__ $$aNew York :$$bGeological Society of America,$$c1954.
000064802 300__ $$a[53 p.] :$$bchart ;$$c25 cm.
000064802 4901_ $$aIts$$tBulletin ;$$v65 ; p. 247-298
000064802 504__ $$aIncludes bibliographical references.
000064802 650_0 $$aGeology, Stratigraphic$$yOrdovician.
000064802 7001_ $$aTwenhhofel, William Henry,$$d1875-1957.
000064802 7102_ $$aGeological Society of America.
000064802 8102_ $$aGeological Society of America.$$tCorrelation chart ;$$vno. 2.
000064802 8102_ $$aIts$$tBulletin ;$$v65 ; p. 247-298.
000064802 85200 $$bgen$$hQE662 .T9
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000064802 980__ $$aBIB
000064802 980__ $$aBOOK