Geologic time
By: by William L. Newman
Contributors: Geological Survey (U.S.)
Publisher: U.S. Geological Survey, Department of the Interior
Published: 1988
Place of publication: Reston, Va.?]
Language: eng
Number of pages: 20
Subjects: Geological time; Geology; Periodicity; Age; Stratigraphic Geology; Historical geology; Paleontology
Notes: Shipping list no.: 88-0638-P.

Also available via Internet from the USGS web site.