Geologic time

Main Author: Newman, William L. 1920-2000.
Other Authors: Geological Survey (U.S.)
Format: Book
Language: English
Published: [Reston, Va.?] : U.S. Geological Survey, Dept. of the Interior, [1988]
Physical Description: 20 pages : illustrations (some color), 1 map ; 24 cm.
Subjects:
Online Access: http://pubs.usgs.gov/gip/geotime/