Mid-Permian Phosphoria Sea in Nevada and the upwelling model /
Ketner, Keith Brindley,1921-
United States.Department of the Interior.
Geological Survey (U.S.)
Reston, Va. : U.S. Geological Survey,
2009.
Includes bibliographical references (p. 17-21).
Geology, Stratigraphic
Formations (Geology)
Also available via Internet.