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Subjects
Education, Education / Teaching, Elementary, General, Geology, Plate tectonics, Study and teaching (Middle school), Teaching Methods & Materials - Classroom Planning, Teaching Methods & Materials - Science & TechnologyID Numbers
- OLID: OL2821501A
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April 12, 2010 | Edited by Open Library Bot | Added photos to author pages. |
April 29, 2008 | Created by an anonymous user | initial import |