Stratigraphic notes, 1980-1982 : seventeen short papers deal with changes in stratigraphic nomenclature--names adopted, revised, reinstated, or abandoned and ages of rocks changed.
Geological Survey (U.S.)
Washington : U.S. G.P.O. ; Alexandria, VA : For sale by the Distribution Branch, U.S. Geological Survey,
1982.
Includes bibliographical references.
Geology, Stratigraphic.