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| Title: | Earth Science World - http://www.earthscienceworld.org |
| Description: | American Geological Institute resources for teachers and students. Includes searchable database of earth images, geologic time scale, and interactive features. |
| Category: | Geology and Geophysics |
| Date Added: | August 18, 2008 02:03:03 PM |
| Number Hits: | 6 |