Divisions of geologic time--major chronostratigraphic and geochronologic units /

Bibliographic Details
Corporate Authors: Geological Survey (U.S.). Geologic Names Committee, Geological Survey (U.S.)
Format: Government Document eBook
Language:English
Published: [Reston, Va.] : U.S. Geological Survey, [2007]
Series:Fact sheet (Geological Survey (U.S.)) ; 2007-3015.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/LPS87030
Description
Item Description:Title from PDF title screen (viewed on Apr. 9, 2007).
"March 2007."
"U.S. Department of the Interior, U.S. Geological Survey."
Electronic resource.
Physical Description:1 sheet : digital, PDF file.
Format:Mode of access: Internet from the USGS web site. Address as of 10/19/07: http://pubs.usgs.gov/fs/2007/3015/fs2007-3015.pdf ; current access via PURL.
Bibliography:Includes bibliographical references.