Biostratigraphy of the Phosphoria, Park City, and Shedhorn formations /

Bibliographic Details

Main Author:	Yochelson, Ellis L. (Ellis Leon), 1928-2006
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Van Sickle, Diane H.
Format:	Government Document Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 1968.
Series:	Geology of Permian rocks in the western phosphate field. Geological Survey professional paper ; 313-D.