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White Mountain Research Station
http://www.wmrs.edu/projects/trilobites/geoltime.html
From Earthquake Education Environment
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This page features a geological time scale that divides Earth's history into eras, periods, and epochs, and coordinates these divisions with biological developments.
Intended for grade levels:
  • General public
Type of resource:
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Geologic time
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright and Other Restrictions Information is Unknown
DLESE Catalog ID: EARTHQUAKE-000-000-011-150
Resource contact / Creator / Publisher:
Contact: White Mountain Research Station, University of California