Some Middle Ordovician brachiopods and trilobites from the basin ranges, Western United States. : With stratigraphic sections A, north of Pyramid Peak, Calif. /

Bibliographic Details
Main Author:	Ross, Reuben James, 1918-
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1967.
Series:	Geological Survey professional paper ; 523-D. Geological Survey professional paper. Contributions to paleontology.
Subjects:	Trilobites > West (U.S.) Brachiopoda, Fossil > West (U.S.) Paleontology > Ordovician. Paleontology > West (U.S.)

Description
Physical Description:	iii, 43 pages, 22 unnumbered pages : illustrations ; 29 cm.
Bibliography:	Bibliography: pages 38-39.