Historical Geology Timelines

Historical Geology Timelines
Four 11x14 format timelines for Precambrian, Paleozoic, Mesozoic and Cenozoic Eras.

File 31553 is a 453kB Acrobat (PDF)
Uploaded: Feb8 12
Last Modified: 2012-02-08 12:43:32
https://serc.carleton.edu/download/files/31553/historical_geology_timelines.pdf

The file is referred to in 1 page
Provenance
Hand/computer created by Gwenn Ziegler, GCC Lab Tech. She has approved distribution and a list of original sources is included with the files.
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