Citations are generated automatically from bibliographic data as
a convenience, and may not be complete or accurate.
Chicago citation style:
Ketner, Keith B, and U.S Geological Survey. Mid-Permian Phosphoria Sea in Nevada and the upwelling model. Reston, Va.: U.S. Geological Survey, 2009. Pdf. https://www.loc.gov/item/2023693438/.
APA citation style:
Ketner, K. B. & Geological Survey, U. S. (2009) Mid-Permian Phosphoria Sea in Nevada and the upwelling model. Reston, Va.: U.S. Geological Survey. [Pdf] Retrieved from the Library of Congress, https://www.loc.gov/item/2023693438/.
MLA citation style:
Ketner, Keith B, and U.S Geological Survey. Mid-Permian Phosphoria Sea in Nevada and the upwelling model. Reston, Va.: U.S. Geological Survey, 2009. Pdf. Retrieved from the Library of Congress, <www.loc.gov/item/2023693438/>.