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  1. 1
    Stratigraphic framework and depositional sequences in the lower Silurian regional oil and gas accumulation, Appalachian Basin, from Jackson County, Ohio, through northwestern Pennsylvania, to Orleans County, New York /
    Published 2000
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  2. 2
    Stratigraphic framework and depositional sequences in the Lower Silurian regional oil and gas accumulation, Appalachian Basin, from Licking County, Ohio, to Fayette County, West Virginia /
    by Ryder, Robert T.
    Published 2006
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  3. 3
    Stratigraphic framework and depositional sequences in the lower Silurian regional oil and gas accumulation, Appalachian Basin, from Ashland County, Ohio, through southwestern Pennsylvania, to Preston County, West Virginia /
    Published 2004
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  4. 4
    The bryozoan fauna of the Rochester shale /
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    Government Document eBook
  5. 5
    Ordovician and Silurian coral faunas of western United States /
    by Duncan, Helen
    Published 1956
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    Government Document eBook
  6. 6
    Silurian nomenclature and correlations in southwest Virginia and northeast Tennessee /
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  7. 7
    Stratigraphic and facies relationships of the Carys Mills Formation of Ordovician and Silurian age, northeast Maine : a discussion of temporal and lateral equivalence of Ordovician and Silurian sedimentary rocks in northeast Maine /
    by Pavlides, Louis, 1921-
    Published 1968
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    Government Document eBook
  8. 8
    The Russell Mountain Formation, a new stratigraphic unit in western Massachusetts /
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  9. 9
    Correlation of the Oakdale Formation and Paxton Group of central Massachusetts with strata in northeastern Connecticut /
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  10. 10
    Shorter contributions to paleontology and stratigraphy /
    Published 1989
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    Government Document eBook
  11. 11
    Upper Silurian and Lower Devonian stratigraphy of northeastern Pennsylvania, New Jersey, and southeasternmost New York : a description and partial revision of the physical stratigraphy and interpretations of depositional environments /
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    Government Document eBook
  12. 12
    Upper Silurian brachiopods from southeastern Alaska /
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    Government Document eBook
  13. 13
    Redescription of three species of corals from the Lockport Dolomite in New York /
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    Government Document eBook
  14. 14
    Silurian corals from Maine and Quebec /
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  15. 15
    Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic /
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    Government Document eBook
  16. 16
    The Roberts Mountains Formation : a regional stratigraphic study with emphasis on rugose coral distribution /
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    Government Document eBook
  17. 17
    Upper Ordovician and Silurian stratigraphy in Sequatchie Valley and parts of the adjacent valley and ridge, Tennessee /
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  18. 18
    Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho -- a graptolite zone reference section /
    by Carter, Claire
    Published 1977
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    Government Document eBook
  19. 19
    Stratigraphy, petrology, and some fossil data of the Roberts Mountains Formation, north-central Nevada /
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    Government Document eBook
  20. 20
    Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, central Idaho : stratigraphic and structural revisions, and new data on graptolite faunas /
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    Government Document eBook
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