The Helderberg group of parts of West Virginia and Virginia /

Bibliographic Details
Main Author:	Swartz, Frank M. (Frank McKim), 1899-1982
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1929.
Series:	Professional paper (Geological Survey (U.S.)) ; 158-C. Shorter contributions to general geology.
Subjects:	Geology, Stratigraphic > Devonian. Geology > West Virginia. Geology > Virginia. Paleontology > Devonian. Paleontology > West Virginia. Paleontology > Virginia.

Description
Physical Description:	pages 27-75 : illustrations (including map) ; 29 cm.