The American Upper Ordovician standard: VII.
Subtitle: Stratigraphy and petrology of the Cynthiana and Eden formations of the Ohio Valley
By: [by] M.P. Weiss [and others]
Series: Special GSA papers -- no. 81; Special papers (Geological Society of America) -- 81.
Publisher: [Geological Society of America]
Published: 1965
Place of publication: New York
Language: eng
Number of pages: 76
Subjects: Geology -- Nomenclature; Geology, Stratigraphic -- Ordovician; Geology -- Ohio River Valley
Notes: Regional studies.

Bibliography: p. [67]-69.