Changes in stratigraphic nomenclature by the U.S.  Geological Survey, 1978. by N.F. Sohl and W.B. Wright.
Contributors: Wright, W.B.
Publisher: U.S.  Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 91
Subjects: Geology, Stratigraphic - Nomenclature
Notes: 11