Credits
- Chapter Overviews, Key-Term Flashcards and Critical Concept Cards: Douglas A. Segar
- Self-Test Question: Jennifer Rahn, Old Dominion University
- Photographs: (c) D. Segar and E. Stamman Segar.
- Animations: Stephen Marshak, University of Illinois, Urbana Champaign
- Earth Science News Updates and Archives: Source: Newswise.com
- Site Editor: Sarah England, W.W. Norton & Company
- Site Design and Development: Jack Lamb and Sunghee Lee , W.W. Norton & Company
- Site Development: Phillip Honstein, netVeyance.net