Geologic Time Scale Poster v. 4.0
Compilers: J.D. Walker, J.W. Geissman, S.A. Bowring, and L.E. Babcock
Use this colorful poster-size version of GSA’s 2012 Geologic Time Scale to decorate your office or classroom. Includes explanation of the chart by the compilers.
1 rolled sheet (18” by 27”)
October 23, 2012
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