The Cambrian rocks of Pennsylvania /

Bibliographic Details
Main Author:	Walcott, Charles D. (Charles Doolittle), 1850-1927 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1896.
Series:	Bulletin of the United States Geological Survey ; no. 134.
Subjects:	Geology > Pennsylvania. Geology, Stratigraphic > Cambrian. Cambrian Geologic Period. Geology. Geology, Stratigraphic. Pennsylvania. From 500 to 570 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo58501

Description
Item Description:	Title from title screen (viewed June 24, 2014).
Physical Description:	1 online resource (43 pages, XV pages of plates) : illustrations, map.
Bibliography:	Includes bibliographical references and index.