Compilers: J.D. Walker and J.W. Geissman

Use this colorful poster-size version of GSA’s Geologic Time Scale (v. 6.0) to decorate your office or classroom. (Note: This new version was published online in late 2022 and is now available for sale.)

1 rolled sheet (20” by 25”)

Published: 3/08/2023

Product Category: Specialty Books