Correlation papers : Cambrian /

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, 1891.
Series:	Bulletin of the United States Geological Survey ; no. 81.
Subjects:	From 500 to 570 million years ago Geology, Stratigraphic > Cambrian. Geology > United States. Cambrian Geologic Period. Geology. Geology, Stratigraphic. United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo58070

Description
Item Description:	Title from title screen (viewed June 2, 2015).
Physical Description:	1 online resource (447 pages) : illustrations, maps.
Bibliography:	Includes bibliographical references and index.