Geologic time scale bookmark.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2012]
Subjects:	Geological time. Geology > Periodicity. Earth (Planet) > Age. Geology, Stratigraphic. Historical geology. Bookmarks.
Online Access:	https://purl.fdlp.gov/GPO/gpo25060

Description
Item Description:	Title from PDF title screen (viewed July 10, 2012). "GIP 141." Electronic resource.
Physical Description:	1 online resource (1 unnumbered page)