U.S. Geological Survey

Compilation of Various Geologic Time Scales

By Anna B. Wilson

U.S. Geological Survey Open-File Report 01-0052

Version 1.0

Report (HTML) (3 KB)

Report (Plain TEXT) (3 KB)

Compilation Chart (Microsoft Excel) (42 KB)

U.S. Department of the Interior - U.S. Geological Survey
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