http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Stratigraphy and petrology of the Cynthiana and Eden formations of the Ohio Valley
76. pages : illustrations, map. ; 23 cm.
Special papers (Geological Society of America) ; 81
Regional studies (Geological Society of America)